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From the Inflation Reduction Act to the Trump mega-law, here are 20 years of changes in one easy-to-read cheat sheet.
The landmark Republican reconciliation bill, which President Trump signed on July 4, has shattered the tax credits that served as the centerpiece of the country’s clean energy and climate policy.
Starting as soon as October, the law — which Trump has dubbed the One Big Beautiful Bill Act — will cut off incentives for Americans to install solar panels, purchase electric vehicles, or make energy efficiency improvements to their homes. It’s projected to raise household energy costs while increasing America’s carbon emissions by 190 million metric tons a year by 2030, according to the REPEAT Project at Princeton University.
The loss of these incentives will in part offset the continuation of tax cuts that largely benefit wealthy Americans. But the law as a whole won’t come close to paying for those cuts in their entirety. The legislation is expected to swell federal deficits by nearly $3.8 trillion over the next 10 years, according to the Tax Foundation, a nonpartisan think tank. This explosive deficit expansion could make it more difficult for the Federal Reserve to cut interest rates, possibly further constraining energy development.
President Trump has described the law as ending Democrats’ “green new scam,” and conservative lawmakers have celebrated the termination of Biden-era energy programs. The law is particularly devastating for programs encouraging electric vehicle sales, as well as wind and solar energy deployment.
But the act is more complicated than a simple repeal of Democrats’ 2022 Inflation Reduction Act. In one case, Trump’s big law ends a federal energy incentive that has been in place, in some form, since the 1990s. In others, Republicans have tied up existing energy incentives with new restrictions, regulations, and red tape.
Some parts of the IRA have even remained intact. GOP lawmakers opted to preserve Biden’s big expansion of incentives to support nuclear energy and advanced geothermal development. That said, the Trump administration could still gut these tax credits by making them effectively unusable through executive action.
It can be confusing to keep the One Big Beautiful Bill Act’s many changes to federal energy law in your head — even for experts. That’s why Heatmap News is excited to publish this new reference “cheat sheet”on the past, present, and future of federal energy tax credits, compiled by an all-star collection of analysts and researchers.
The summary takes each clean energy-related provision in the U.S. tax code and summarizes how (and whether) it existed in the 2000s and 2010s, how the Inflation Reduction Act changed it, and how the new OBBBA will change it again. It was compiled by Shane Londagin, a policy advisor at the think tank Third Way; Luke Bassett, a former Biden administration official and Senate Energy committee staffer; Avi Zevin, a former Biden official and a partner at the energy law firm Roselle LLP; and researchers at the REPEAT Project, an energy analysis group at Princeton University. (Note that I co-host the podcast Shift Key with Jesse Jenkins, who leads the REPEAT Project.)
You can find the full summary below.
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A new list of grant cancellations obtained by Heatmap includes Climeworks and Heirloom projects funded by the Bipartisan Infrastructure Law.
Trump’s Department of Energy is planning to terminate awards for the two major Direct Air Capture Hubs funded by the Bipartisan Infrastructure Law in Louisiana and Texas, Heatmap has learned.
An internal agency project list shared with Heatmap names $26 billion worth of grants with their status designated as “terminated,” including the Occidental Petroleum’s South Texas DAC Hub as well as Project Cypress, a joint venture between DAC startups Heirloom and Climeworks.
Christoph Gebald, the CEO of Climeworks, acknowledged “market rumors” in an email, but said that the company is “prepared for all scenarios.”
“Demand for removals is increasing significantly, with momentum set to build as governments set their long-term targets,” he said. “The need for DAC is growing as the world falls short of its climate goals and we’re working to achieve the gigaton capacity that will be needed.”
Heirloom’s head of global policy, Vikrum Aiyer, said that the company was not aware of any decision from the DOE and continued “to productively engage with the administration in a project review.” He added that Heirloom remains “incredibly proud to stand shoulder to shoulder with Louisiana energy majors, workforce groups, non-profits, state leaders, the governor and economic development organizations who have strongly advocated for this project.”
Much of the rest of the list overlaps with the project terminations the agency announced last week as part of a spate of retributive actions against Democrats during the government shutdown. “Nearly $8 billion in Green New Scam funding to fuel the Left’s climate agenda is being canceled,” White House Budget Director Russ Vought wrote on social media ahead of the announcement.
Direct air capture is a nascent technology that sucks carbon, as the name suggests, directly from the air, and is one of several carbon removal solutions with potential to slow global warming in the near term, and even reverse it in the long run. The $3.5 billion DAC Hubs program, created by Congress in the 2021 Bipartisan Infrastructure Law, promised to “establish a new sector of the American economy and remake another one, while providing the world with an important tool to fight climate change,” as my colleague Robinson Meyer put it.
After a competitive application process, the Biden administration selected two projects that would receive up to $600 million each to build DAC projects capable of removing more than 1 million tons of carbon from the atmosphere per year and storing it permanently underground. Occidental, which first partnered with and later acquired a Canadian DAC startup called Carbon Engineering, would build its hub in South Texas, near Corpus Christi. Two other leading DAC startups, the California-based Heirloom Carbon and Swiss company Climeworks, would work together to build a hub in Louisiana. After the selections were announced, both projects received an initial $50 million award for their next phase of development, which was set to be matched by private investment.
"These hubs were selected through a rigorous and competitive process designed to identify projects capable of advancing U.S. leadership in carbon removal and industrial decarbonization,” Jennifer Wilcox, the former principal deputy assistant secretary for the DOE’s Office of Fossil Energy and Carbon Management, told me in an email. “The burden should be on DOE to clearly demonstrate why that process is being overturned.”
All three companies already have demonstration plants that are either operating or under construction. Climeworks began operating the world’s first commercial DAC plant in Iceland in 2021, designed to capture about 4,000 tons per year, and has since scaled up to a larger plant more than eight times that size. Heirloom opened the first DAC plant in the U.S. in November 2023, in Tracy, California, capable of capturing 1,000 tons per year. Occidental’s first DAC project, Stratos, in West Texas, will be the largest of the bunch, designed to capture 500,000 tons per year. It is set to be completed in the next few months.
Removing carbon from the air with one of these facilities is currently extremely expensive and energy-intensive. Today, companies pre-sell carbon credits to airlines and tech companies to raise money for the projects, but will likely require government support to continue to innovate and bring the cost down. While both Climeworks and Heirloom announced the sale of credits that would support their DAC hub projects, it’s not clear whether those credits were meant to be fulfilled by the projects themselves.
The DOE grants would have helped prove the viability of the technology at a scale that will make a measurable difference for the climate, while also demonstrating a potential off-ramp for oil companies and the economies they support. Both projects said they expected to create more than 2,000 local jobs in construction, operations, and maintenance.
“The United States, up to this point, was the direct air capture leader and the place where top innovators in the field were choosing to build facilities as well as manufacture the actual components of the units themselves,” Jack Andreasen Cavanaugh, a global fellow at the Columbia University’s Carbon Management Research Initiative, told me. “The cancellation of these grants to high-quality projects ensures that these American jobs will be shipped overseas and cede our broader economic advantage.”
That’s already happening. On the same day last week that the DOE announced it was terminating an award for CarbonCapture Inc., another California-based DAC company, the startup said it would move its first commercial pilot from Arizona to Alberta, Canada. Gebald, of Climeworks, said the company has “a pipeline of other DAC projects around the world,” including opportunities in Canada, the U.K., and Saudi Arabia.
Cavanaugh also pointed out there was a disconnect between the terminations, Congress’ recent actions, and even actions under the first Trump administration. Trump’s DOE revised the 45Q tax credit for carbon capture in 2018 to allow direct air capture projects to qualify. In July, the reconciliation bill preserved that credit and strengthened it. “These were bipartisan-supported projects, and it goes expressly against congressional intent.”
The Department of Energy did not respond to a request for comment prior to publication. We will update this story if we hear back from them.
As the DAC hubs program was congressionally mandated and the awards were under contract, the companies may have legal recourse to fight the terminations. The press release from the DOE announcing last week’s terminations said that award recipients had 30 days to appeal the decision. “That process must be meaningful and transparent,” Wilcox said. “If DOE is invoking financial-viability criteria, companies and communities deserve to see the underlying metrics, thresholds, and justification — and to understand whether those criteria are being applied consistently across projects.”
While this isn’t a death knell for DAC in general, it will be a “massive setback for American climate and industrial policy”, Erin Burns, executive director of the carbon removal advocacy group Carbon 180, told me. “The need for carbon removal hasn’t changed. The science hasn’t changed. What’s changed is our political will, and we’ll feel the consequences for years to come.”
On Trump’s metal nationalization spree, Tesla’s big pitch, and fusion’s challenges
Current conditions: King tides are raising ocean levels near Charleston, South Carolina, as much as eight feet above low water averages • A blizzard on Mount Everest has trapped hundreds of hikers and killed at least one • A depression that could form into Tropical Storm Jerry is strengthening in the Atlantic as it barrels northward with an unclear path.
Solar and wind outpaced the growth of global electricity demand in the first half of 2025, vaulting renewables toward overtaking coal worldwide for the first time on record, according to analysis published Tuesday by the research outfit Ember. This year’s growth resulted in a small overall decline in both coal and gas-fired power generation, with India and China seeing the most notable reductions, despite the United States and Europe ratcheting up fossil fuel usage. “We are seeing the first signs of a crucial turning point,” Malgorzata Wiatros-Motyka, a senior electricity analyst at Ember, said in a statement. “Solar and wind are now growing fast enough to meet the world’s growing appetite for electricity. This marks the beginning of a shift where clean power is keeping pace with demand growth.”
Wind and solar installations matched 109% of new global demand for power in the first half of 2025.Ember
That growth is projected to continue. Later on Tuesday morning, the International Energy Agency released its own report forecasting that renewable capacity will double over the next five years. Solar is predicted to make up 80% of that growth. But, factoring in the Trump administration’s policies, the forecast roughly cut in half previous projections for U.S. growth. Domestic opposition to renewables runs beyond the White House, too. Exclusive data gathered by Heatmap Pro and published in July showed that a fifth of U.S. counties now restrict development of renewables.
President Donald Trump signed an executive order Monday directing federal agencies to push forward with a controversial 211-mile mining road in Alaska designed to facilitate production of copper, zinc, gallium, and other critical minerals. The project, which the Biden administration halted last year over concerns for permafrost in the fast-warming region, has been at the center of a decadeslong legal battle. As part of the deal, the U.S. government will invest $35.6 million in Alaska’s Ambler Mining District, including taking a 10% stake in the main developer, Trilogy Metals, that includes warrants to buy an additional 7.5% of the company. The road itself will be jointly owned by the state, the federal government, and Alaska Native villages. “It’s a very, very big deal from the standpoint of minerals and energy,” Trump said in the Oval Office.
It’s just the latest stake the Trump administration has taken in a mineral company. In July, the Department of Defense became the largest shareholder of MP Materials, the company producing rare earths in the U.S. at its Mountain Pass mine in California. The move, The Economist noted at the time, marked the biggest American experiment in direct government ownership since the nationalization of the railroads in World War I. Last week, the Department of Energy renegotiated a loan to Lithium Americas’ Thacker Pass project in Nevada to take a stake in what’s set to become the largest lithium mine in the Western Hemisphere when it comes online in the next few years. The White House’s mineral shopping spree isn’t over. On Friday, Reuters reported that the administration is considering buying shares in Critical Metals, the company looking to develop rare earths production in Greenland. In response to the news, shares in the Nasdaq-traded miner surged 62% on Monday. Partial nationalization isn’t the only approach the administration is taking to challenging China’s grip over global mineral supplies. Last month, as I reported for Heatmap, the Defense Logistics Agency awarded money to Xerion, an Ohio startup devising a novel way to process cobalt and gallium.
Tesla looks poised to unveil a cheaper, stripped-down version of its Model Y as early as today. In one of two short videos posted to CEO Elon Musk’s X social media site, the electric automaker showed the midsize SUV’s signature lights beaming through the dark. The design matches what InsideEVs noted were likely images of the prototype spotted on a test drive in Texas. The second teaser video showed what appears to be a fast-spinning, Tesla-branded fan. “Your guess is as good as ours as to what will be revealed,” InsideEVs’ Andrei Nedelea wrote Monday. “Our money is on the Roadster or a new vacuum cleaner design to take on Dyson.”
The new products come amid an historic slump for Tesla. As Heatmap’s Matthew Zeitlin reported, the company’s share of the U.S. electric vehicle sales sank to their lowest-ever level in August despite the surge in purchases as Americans rushed to use the federal tax credits before they expired thanks to Trump’s landmark One Big Beautiful Bill Act law. Yet Musk has managed to steer the automaker’s financial fate through an attention-grabbing maneuver. Last month, the world’s richest man bought $1 billion in Tesla shares in a show of self confidence that managed to rebound the company’s stock price. But Andrew Moseman argued in Heatmap that “the bullish stock market performance is divorced not only from the reality of the company’s electric car sales, but also from, well, everything else that’s happened lately.”
On Monday, Trump warned that medium and heavy-duty trucks imported to the U.S. will face a 25% tariff starting on November 1. The president announced the trade levies in a post on Truth Social on the eve of a White House visit by Canadian Prime Minister Mark Carney, whose country would feel the pinch of tariffs on imported trucks. As the Financial Times noted, Trump had threatened to impose 25% tariffs on some trucks in late September but “failed to implement them, raising questions about his commitment to the policy.”
Fusion startups make a lot of bold claims about how soon a technology long dismissed as the energy source of tomorrow will be able to produce commercial electrons. Though investors are betting that, as Heatmap’s Katie Brigham wrote last year, “it is finally, possibly, almost time for fusion,” a new report from the University of Pennsylvania’s Kleinman Center for Energy Policy shows that supply chain challenges threaten to hold back the nascent industry even if it can bring laboratory breakthroughs to market. Tritium, one of two main fusion fuels, has a half life of just 12.3 years, meaning it does not exist in significant quantities in nature. Today, tritium is primarily produced by 30 pressurized heavy water fission reactors globally, but only at a total of 4 kilograms per year. As a result, “tritium availability could throttle fusion development,” the report found. That’s not the only bottleneck. “The fusion industry will require specialized components that don’t yet have well-established supply chains, like superconducting cables and the aforementioned advanced materials, and shortages of these components would delay development and inflate costs.”
Scientists mapped the RNA — the molecules that carry out DNA’s instructions — of wheat and, for the first time, identified when certain genes are active. The discovery promises to accelerate plant breeders’ efforts to develop more resilient varieties of the world’s most widely cultivated crop that use less fertilizer, resist higher temperatures, and survive with less water as the climate changes. “We discovered how groups of genes work together as regulatory networks to control gene expression,” Rachel Rusholme-Pilcher, the study’s lead author and a researcher at Britain’s Earlham Institute, said in a statement. “Our research allowed us to look at how these network connections differ between wheat varieties, revealing new sources of genetic diversity that could be critical in boosting the resilience of wheat.”
Shine Technologies is getting close to breakeven — on operations, at least — by selling neutrons and isotopes.
Amidst the frenzied investment in fusion and the race to get a commercial reactor on the grid by the 2030s, one under-the-radar fusion company has been making money for years. That’s Shine Technologies, which has been operating in some form or another since 2005, making neutrons for materials testing and nuclear isotopes for medical imaging, all while working toward an eventual energy-generating reactor of its own.
“I think we can moonshot ourselves to net energy,” Greg Piefer, founder and CEO of Shine, told me, referring to the point at which the energy produced from a fusion reaction exceeds the energy required to sustain it. “But I don’t think we can moonshot ourselves to break even costwise.”
Rather than trying to build a full-scale reactor that can produce net energy via a self-sustaining fusion reaction right off the bat, Shine uses a particle accelerator to drive a series of small-scale fusion reactions. When high-energy ions connect with fuels, such as tritium or deuterium, they undergo a fusion reaction that produces high-energy neutrons and specialized isotopes more often generated for use in industry via fission.
Piefer, who has a PhD in nuclear engineering from the University of Wisconsin-Madison, started up his company by making neutrons for materials testing in the aerospace and defense industries. Unlike other forms of radiation, such as X-rays, neutrons can penetrate dense materials such as metals, hydrogen-containing fuels, or ceramics, making it possible to spot hidden flaws. An otherwise invisible crack in a turbine blade, for example, could still block or scatter neutrons, while contamination from water or oil would absorb neutrons — making these faults clear in a radiographic image.
Scientists also use neutrons to test nuclear fission fuel by identifying contamination and verifying uranium enrichment levels. According to Piefer, Shine produces the neutrons used to test half of all fission fuel today. “Fusion actually already enables the production of 50% of the fission fuel in this country,” he told me.
My mind was blown. I didn’t understand how fusion — a famously expensive endeavor — could be an economically viable option for these applications.
Piefer understood. “I’ll sit here in one breath and I’ll tell you fusion is way too expensive to compete making electricity, and in another breath that it’s much cheaper than fission for making isotopes and doing testing,” he said. As Piefer went on to explain, if the goal isn’t net energy, you can strip the fusion reactor of a good deal of complexity — no superconducting magnets, complicated structures to produce tritium fuel, or control systems to keep the burning fusion plasma contained.
With a simplified system, Piefer told me, it’s much easier to produce a fusion reaction than a fission reaction. The latter, he explained, “operates on the razor’s edge of something called criticality” — a self-sustaining reaction that must be precisely balanced. If a fission reaction accelerates too quickly, power surges dangerously and you get a disaster like Chernobyl. If it slows, there’s simply no reaction at all. Plus, even after a fission reactor shuts down, it keeps producing heat, and thus must be actively cooled. But when it comes to fusion, there’s no danger of an out of control power surge, because, unlike fission, it’s not a chain reaction — if the input conditions change, fusion stops immediately. Furthermore, fusion produces no heat after the reaction stops.
Some of Shine’s customers include manufacturers of turbine blades and explosives such as the U.S. Army and GE Hitachi, as well as the biopharmaceutical companies Blue Earth Therapeutics and Telix Pharmaceuticals. Piefer told me that the company is now “on the verge of essentially breakeven” — no fusion pun intended — when it comes to its operating expenses. These days, it’s reinvesting much of its revenue to build out what Piefer says will be the largest isotope production facility in the world in Wisconsin. Isotopes are created when high energy neutrons strike stable elements, causing the nuclei to absorb the neutron and become radioactive. The isotope’s radioactive properties make them useful for targeting particular tissues, cells, or organs in medical imaging or focused therapies..
Shine’s in-progress facility will primarily produce molybdenum‑99, the most commonly used isotope for medical imaging. The company already operates one smaller isotope facility producing lutetium-177, which features in cutting-edge cancer therapies.
Compared to materials testing, producing medical isotopes has required Shine to increase the temperature and thus the efficiency of its fusion target. Subsequent applications will require greater efficiency still. The idea is that as Shine applies its tech to increasingly challenging and energy-intensive tasks, it will also move step by step toward a commercially viable, net-energy-generating fusion reactor. Piefer just doesn’t know what exactly those incremental improvements will look like.
The company hasn’t committed to any specific reactor design for its fusion energy device yet, and Piefer told me that at this stage, he doesn’t think it’s necessary to pick winners. “We don’t have to, and don’t want to,” he said. “We’ve got this flexible manufacturing platform that’s doing all the things you need to do to get really good at making fusion systems, regardless of technology.”
Fusion energy aside, the company doesn’t even know how it’s going to reach the heat and efficiency requirements needed to achieve its next target — recycling spent fission fuel. But Piefer told me that if Shine can get there, scientists do already understand the chemistry. First, Shine would separate out the long-lived, highly radioactive waste products from the spent fuel using much the same approach it uses for isolating medical isotopes, no fusion reaction needed. Then, Piefer told me, “fusion can turn those long-lived wastes into short-lived waste” by using high-energy fusion neutrons to alter the radioactive nuclei in ways that make them decay faster.
If the company pulls that off — a big if indeed — it would then move on to building an energy-generating reactor. Overall, Piefer guesses this final stage will wind up taking the fusion industry “more time and money than most people predict.” Perhaps, he said, investors will prove willing to bankroll buzzy fusion startups far longer than their ambitious timelines currently imply. But perhaps not. And in the meantime, he thinks many companies will end up turning to the very markets that Shine has been exploring for decades now.
“So we’re well positioned to work with them, well positioned to help create mutual success, or well positioned to use our position to move ourselves forward,” Piefer told me, hinting that the company would be interested in making acquisitions.
Indeed, some fusion companies are already following Shine’s lead, eyeing isotopes as an early — or primary — revenue generating opportunity. Microreactor company Avalanche Energy eventually wants to replace diesel generators, but in the meantime plans to produce radioisotopes for medical and energy applications. U.K.-based fusion company Astral Systems is also making desktop-sized reactors, but with the central aim of selling medical isotopes.
If too many companies break their promises or extend their timelines interminably, as Piefer thinks is likely, more and more will come around to the pragmatism of Shine’s approach, he said. “Near term applications are increasingly talked about,” Piefer told me. “They’re not the highlight of the show yet, but I’d say the voice is getting louder.”
So while he still doesn’t have any idea what the final form for Shine’s hypothetical fusion power plant will take, in his mind the company is leading the race. “I believe we’re actually on the fastest path to fusion commercialization for energy of anybody out there,” Piefer told me. “Because commercial is important to us, and it always has been.”