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The administration can’t have it both ways on the Clean Air Act.

The Trump administration filed lawsuits this week against four states that are pursuing compensation from oil and gas companies for climate change-related damages. But Trump’s separate aim to revoke the government’s “endangerment finding,” the conclusion that greenhouse gases pose a threat to public health and should therefore be regulated under the Clean Air Act, could directly undercut the legal basis for the suits.
In each of the cases, the Trump administration is arguing that the Clean Air Act preempts the states’ actions. But if the Environmental Protection Agency rules that the Clean Air Act does not, in fact, require the federal regulation of greenhouse gases, that argument could fall apart.
Two of the lawsuits target Vermont and New York for their new “climate superfund” laws that require the companies responsible for the greatest amount of emissions over the last three decades to pay into a fund supporting adaptation and disaster response. The Department of Justice is also suing Hawaii and Michigan to block them from suing fossil fuel companies for damages for climate change-related harms. Neither state had actually filed such a lawsuit yet, although both had expressed interest in doing so. (Hawaii went ahead and filed its suit on Thursday night.)
“I just want to start by saying that these lawsuits by the government are totally unprecedented,” Rachel Rothschild, an assistant professor of Law at the University of Michigan, told me when we hopped on the phone. To her knowledge, never before has the federal government tried to preemptively stop a state from filing a liability case against companies.
In an executive order in early April, Trump had directed Attorney General Pam Bondi to “stop the enforcement” of state climate laws and actions that “may be unconstitutional” or “preempted by federal law.” The order singled out lawsuits against oil companies as well as climate superfund laws, calling both a form of “extortion” and a “threat to economic and national security.”
Nevermind that climate change is a major threat to economic and national security, and states have filed these lawsuits and created these laws because they are scrambling to find ways to pay to address the unprecedented damages brought by the increasing severity of wildfires and floods.
Even before Trump took office, Rothschild said, the federal government had warned states that they were going to need to take more responsibility for preparing for and responding to increasing natural disasters. “[States] do not have the resources alone to address this problem,” said Rothschild. “These companies have engaged in an activity that causes external harms that they’ve not taken into account as part of their business practices, they’'re imposing all the costs of those harms on states and citizens, and they should be liable to help us deal with the resulting problems. That’s a very normal activity for tort suits.”
Dozens of states have filed similar lawsuits seeking damages from oil companies. (A Justice Department press release did not say why it was singling out states that had not taken any legal action yet rather than targeting those that had.) Many of these lawsuits have been stuck in a holding pattern for years, though. “Climate superfund” laws are a new legal strategy, modeled on the federal superfund program, that some states are testing to get oil companies to pay up.
The DOJ’s lawsuits claim that states cannot fine oil companies for their emissions because that authority lies with the federal government under the Clean Air Act. That argument is underpinned by the Environmental Protection Agency’s endangerment finding, which stems from a 2007 Supreme Court ruling that greenhouse gases are a pollutant as defined by the Clean Air Act, and therefore the EPA must determine whether these emissions pose a threat to public health. The court said that if the agency finds there is enough scientific evidence to say greenhouse gases are harmful, it must develop regulations to rein them in. EPA officially made this finding in 2009.
This was a big headache for Trump during his first term. He wasn’t allowed to simply repeal Barack Obama’s greenhouse gas rules — by law, he had to replace them. If he’s able to reverse the endangerment finding, however, he could undo climate protection rules and that would be that.
At the same time, he’d make oil companies much more vulnerable. “There is great concern that reversing the finding would open the door to a lot more nuisance lawsuits against all types of energy companies,” Jeff Holmstead, a partner with Bracewell, a lobbying firm, told E&E News. “It would eliminate one of the best arguments that oil companies have used to get lawsuits against them dismissed,” he added.
EPA administrator Lee Zeldin will face an uphill battle in reversing the finding, as there is a mountain of scientific evidence that greenhouse gases cause dangerous climate change. But Zeldin may instead try to argue that the EPA did not consider the cost of addressing these emissions when it made the initial finding — and that the costs of reining them in outweigh the costs of emitting freely.
Legal experts are skeptical this argument will go anywhere, either. In 2012, the D.C. Circuit Court found that the EPA’s endangerment finding should be based on science, not economics. Cost-benefit analyses and other policy considerations are relevant if the EPA finds that greenhouse gases do, in fact, pose a threat, but they “do not inform the ‘scientific judgment’” that the law requires the EPA to make, the judge ruled. Meanwhile, the Supreme Court’s decision last year to overturn “Chevron deference,” a decades-long precedent that gave agencies broad authority to interpret their statutory mandates, could also hurt Zeldin’s case.
Rothschild, for her part, is confident that states’ superfund laws and tort suits are defensible regardless of what happens to the endangerment finding. These actions have nothing to do with the Clean Air Act, she argued, because they are not an attempt to regulate emissions. “They're trying to impose liability for local, environmental, and public health harms from past activities,” she said.
One thing is for certain: Between states’ lawsuits suing oil companies, oil companies’ countersuits, the DOJ’s new lawsuits against states, and probably future suits against any actions the Trump administration takes on endangerment, there’s going to be a whole lot of new case law about greenhouse gases over the next four years.
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It starts — but doesn’t end — with the Strait of Hormuz.
For the second time in a year, the United States and Israel have launched a major aerial assault on Iran. Strikes were reported across the country early Saturday, targeting Iranian leadership and military infrastructure. In retaliation, Iran has launched attacks on Israel and Gulf nations allied with the U.S., with several of the targets appearing to be American military installations. “The United States military is undertaking a massive and ongoing operation,” President Trump said in a video posted to Truth Social explaining his rationale for launching the war.
While the conflict has quickly metastasized across the region, it has the potential to affect the entire world by disrupting the production and shipment of oil and natural gas.
Iran and its neighbors on the Persian Gulf are some of the largest oil and gas producers in the world and the country has long threatened to disrupt oil exports as an act of self-defense or retaliation from attack.
That may be already happening. According to data from Bloomberg, some oil tankers are pausing or turning around outside the vital Strait of Hormuz, a narrow, deep channel between Iran and Oman that connects the Persian Gulf to the Arabian Sea and thus to global markets in and bordering the Indian Ocean.
The strait has been “effectively closed,” according to a report from Tasnim, a semi-official news agency linked to the Iran Revolutionary Guard Corps. British naval officials also said they had “received multiple reports” of broadcasts that “have claimed that the Strait of Hormuz (SoH) has been closed.” And a European Union naval official told Reuters that the Iranian Revolutionary Guard had been broadcasting “no ship is allowed to pass the Strait of Hormuz” to ships in the area. Some tankers are still navigating the strait, according to marine tracking data from Kpler.
But it’s questionable whether Iran can actually maintain any attempted closure of the strait, whether by laying mines or directly threatening and attacking ships.
So far, U.S. attacks are “targeting, fairly heavily, naval assets and assets that are close to the Gulf,” Greg Brew, an analyst at the Eurasia Group, told me, which “suggests that they are trying to degrade Iran’s ability to disrupt energy traffic through the Strait of Hormuz.”
The U.S. is “trying to reduce the risks of Iranian effort to close the strait as part of this operation, rather than waiting to see if the Iranians escalate in that direction. The Iranians have responded by claiming that the strait has been closed. The problem for them now, though, is that they’ll have to enforce that threat.”
Closing the strait was a “tail risk” that had been roiling the oil market in the lead-up to Trump’s decision to launch the attack, Rory Johnston, petroleum analyst and author of Commodity Context, told me.
Global oil prices had gotten skittish over the past weeks, with the Brent crude benchmark getting as low at $66.30 per barrel in early February and getting near $73 per barrel on Friday. Brent prices approached $80 per barrel last June during the 12 Day War between Iran and Israel.
While the market could likely weather disruption to Iran’s own exports, jumpy behavior in the market was due to pricing in an enhanced risk of a region-wide calamity. Options traders especially were “attempting to hedge that enormous tail risk,” Johnston said, and “that was really moving the market.”
And even if the strait is not directly closed off by the Iranian military, ships may find it financially onerous to attempt the passage. “Insurers told ship owners on Saturday they would cancel policies and raise coverage prices for vessels travelling through the Gulf and Strait of Hormuz after the U.S. and Israel attacked Iran,” the Financial Times reported Saturday.
Another risk to the region’s oil sector is that Iran could retaliate by striking oil production and exporting infrastructure in neighboring countries, Johnston told me. “Right next door, you’ve got Iraq, you’ve got Saudi Arabia, and you’ve got the Emirates and others who collectively are more like 20 million barrels per day. And that is obviously a much bigger deal,” Johnston said, comparing their production to Iran’s own oil industry.
Of course, Iran is still a major exporter despite U.S. sanctions; in the days running up to the U.S. attack, it was shipping out around 3 million barrels per day from Kharg Island in the Strait of Hormuz, according to data from Bloomberg, almost triple its exports from equivalent dates in January and nearly its entire daily production.
Iran’s exports “had actually surged immediately ahead of what’s gone down over the past 24 hours,” Johnston told me. “In the past couple days, you’d seen a large surge of tankers departing Kharg Island, and the inventories on Kharg Island being drawn down, which is kind of what you would do if you expected that your exports were about to get disrupted.”
To the extent Iranian oil exports are cut off, that could be a big deal for China, which has become the number one destination for Middle East oil shipments. Beijing has been building up stockpiles of oil, likely preparing for the risk that sanctioned exporters like Iran and Venezuela would go off the market, as well as wider risks to exports from the Middle East.
“China is highly concerned over the military strikes against Iran,” the Chinese foreign ministry wrote on X. “China calls for an immediate stop of the military actions, no further escalation of the tense situation, resumption of dialogue and negotiation, and efforts to uphold peace and stability in the Middle East.”
Last year, China began to substantially increase its stockpiling of oil, going from 84,000 barrels per day to 430,000 barrels per day, some 83% of the growth of its imports, according to data and estimates from Rystad Energy and Erica Downs, a senior research scholar at the Columbia University Center on Global Energy Policy.
While the U.S. is now far less reliant on oil exports from the Middle East, oil and gas is still a global market. If Middle Eastern oil and gas exports are disrupted, that will likely increase the price of energy — whether it’s gasoline, electricity, or even home heating — as American energy producers can sell their barrels and BTUs at higher prices globally.
It’s either reassure investors now or reassure voters later.
Investor-owned utilities are a funny type of company. On the one hand, they answer to their shareholders, who expect growing returns and steady dividends. But those returns are the outcome of an explicitly political process — negotiations with state regulators who approve the utilities’ requests to raise rates and to make investments, on which utilities earn a rate of return that also must be approved by regulators.
Utilities have been requesting a lot of rate increases — some $31 billion in 2025, according to the energy policy group PowerLines, more than double the amount requested the year before. At the same time, those rate increases have helped push electricity prices up over 6% in the last year, while overall prices rose just 2.4%.
Unsurprisingly, people have noticed, and unsurprisingly, politicians have responded. (After all, voters are most likely to blame electric utilities and state governments for rising electricity prices, Heatmap polling has found.) Democrat Mikie Sherrill, for instance, won the New Jersey governorship on the back of her proposal to freeze rates in the state, which has seen some of the country’s largest rate increases.
This puts utilities in an awkward position. They need to boast about earnings growth to their shareholders while also convincing Wall Street that they can avoid becoming punching bags in state capitols.
Make no mistake, the past year has been good for these companies and their shareholders. Utilities in the S&P 500 outperformed the market as a whole, and had largely good news to tell investors in the past few weeks as they reported their fourth quarter and full-year earnings. Still, many utility executives spent quite a bit of time on their most recent earnings calls talking about how committed they are to affordability.
When Exelon — which owns several utilities in PJM Interconnection, the country’s largest grid and ground zero for upset over the influx data centers and rising rates — trumpeted its growing rate base, CEO Calvin Butler argued that this “steady performance is a direct result of a continued focus on affordability.”
But, a Wells Fargo analyst cautioned, there is a growing number of “affordability things out there,” as they put it, “whether you are looking at Maryland, New Jersey, Pennsylvania, Delaware.” To name just one, Pennsylvania Governor Josh Shapiro said in a speech earlier this month that investor-owned utilities “make billions of dollars every year … with too little public accountability or transparency.” Pennsylvania’s Exelon-owned utility, PECO, won approval at the end of 2024 to hike rates by 10%.
When asked specifically about its regulatory strategy in Pennsylvania and when it intended to file a new rate case, Butler said that, “with affordability front and center in all of our jurisdictions, we lean into that first,” but cautioned that “we also recognize that we have to maintain a reliable and resilient grid.” In other words, Exelon knows that it’s under the microscope from the public.
Butler went on to neatly lay out the dilemma for utilities: “Everything centers on affordability and maintaining a reliable system,” he said. Or to put it slightly differently: Rate increases are justified by bolstering reliability, but they’re often opposed by the public because of how they impact affordability.
Of the large investor-owned utilities, it was probably Duke Energy, which owns electrical utilities in the Carolinas, Florida, Kentucky, Indiana, and Ohio, that had to most carefully navigate the politics of higher rates, assuring Wall Street over and over how committed it was to affordability. “We will never waver on our commitment to value and affordability,” Duke chief executive Harry Sideris said on the company’s February 10 earnings call.
In November, Duke requested a $1.7 billion revenue increase over the course of 2027 and 2028 for two North Carolina utilities, Duke Energy Carolinas and Duke Energy Progress — a 15% hike. The typical residential customer Duke Energy Carolinas customer would see $17.22 added onto their monthly bill in 2027, while Duke Energy Progress ratepayers would be responsible for $23.11 more, with smaller increases in 2028.
These rate cases come “amid acute affordability scrutiny, making regulatory outcomes the decisive variable for the earnings trajectory,” Julien Dumoulin-Smith, an analyst at Jefferies, wrote in a note to clients. In other words, in order to continue to grow earnings, Duke needs to convince regulators and a skeptical public that the rate increases are necessary.
“Our customers remain our top priority, and we will never waver on our commitment to value and affordability,” Sideris told investors. “We continue to challenge ourselves to find new ways to deliver affordable energy for our customers.”
All in all, “affordability” and “affordable” came up 15 times on the call. A year earlier, they came up just three times.
When asked by a Jefferies analyst about how Duke could hit its forecasted earnings growth through 2029, Sideris zeroed in on the regulatory side: “We are very confident in our regulatory outcomes,” he said.
At the same time, Duke told investors that it planned to increase its five-year capital spending plan to $103 billion — “the largest fully regulated capital plan in the industry,” Sideris said.
As far as utilities are concerned, with their multiyear planning and spending cycles, we are only at the beginning of the affordability story.
“The 2026 utility narrative is shifting from ‘capex growth at all costs’ to ‘capex growth with a customer permission slip,’” Dumoulin-Smith wrote in a separate note on Thursday. “We believe it is no longer enough for utilities to say they care about affordability; regulators and investors are demanding proof of proactive behavior.”
If they can’t come up with answers that satisfy their investors, ultimately they’ll have to answer to the voters. Last fall, two Republican utility regulators in Georgia lost their reelection bids by huge margins thanks in part to a backlash over years of rate increases they’d approved.
“Especially as the November 2026 elections approach, utilities that fail to demonstrate concrete mitigants face political and reputational risk and may warrant a credibility discount in valuations, in our view,” Dumoulin wrote.
At the same time, utilities are dealing with increased demand for electricity, which almost necessarily means making more investments to better serve that new load, which can in the short turn translate to higher prices. While large technology companies and the White House are making public commitments to shield existing customers from higher costs, utility rates are determined in rate cases, not in press releases.
“As the issue of rising utility bills has become a greater economic and political concern, investors are paying attention,” Charles Hua, the founder and executive director of PowerLines, told me. “Rising utility bills are impacting the investor landscape just as they have reshaped the political landscape.”
Plus more of the week’s top fights in data centers and clean energy.
1. Osage County, Kansas – A wind project years in the making is dead — finally.
2. Franklin County, Missouri – Hundreds of Franklin County residents showed up to a public meeting this week to hear about a $16 billion data center proposed in Pacific, Missouri, only for the city’s planning commission to announce that the issue had been tabled because the developer still hadn’t finalized its funding agreement.
3. Hood County, Texas – Officials in this Texas County voted for the second time this month to reject a moratorium on data centers, citing the risk of litigation.
4. Nantucket County, Massachusetts – On the bright side, one of the nation’s most beleaguered wind projects appears ready to be completed any day now.