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Electric Vehicles

Here Come the EPA’s New Tailpipe Rules

On car pollution limits, a big energy conference, and ‘kitten season’

Here Come the EPA’s New Tailpipe Rules
Heatmap Illustration/Getty Images

Current conditions: Freeze warnings are in place across many states in the south east • Troplical Cyclone Megan made landfall in Australia • A neighborhood in Rio de Janeiro reportedly recorded a temperature of 144 degrees Fahrenheit as Brazil swelters in an extreme heat wave.

THE TOP FIVE

1. EPA’s new tailpipe emissions rules expected this week

The Environmental Protection Agency this week is expected to officially announce new tailpipe emissions rules that will dramatically reshape the transportation sector over the coming years. If carmakers are to meet the EPA’s new rules, electric vehicles would need to make up a much larger share of car and light truck sales by 2030 than they do now. Last year EVs accounted for about one-tenth of sales. The end goal is to see that rise to two-thirds by 2032, but the nearer-term targets have shifted in response to anger and pressure from carmakers and the United Auto Workers union who argued EVs remain too costly and that the transition should be more gradual. Transportation is America’s biggest source of greenhouse gas emissions, and the Biden administration sees reducing this pollution as instrumental to the U.S. fulfilling its Paris Agreement commitment of cutting emissions in half by 2030.

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  • 2. ‘Super Bowl of energy’ conference kicks off in Houston

    One of the world’s biggest oil and gas conferences is happening in Houston this week. More than 7,000 people will attend CERAWeek – which has earned the nickname the “Super Bowl of energy” – where industry executives will hear from major producers about market outlooks. The main focus is expected to be energy security, Reuters reported, but “climate concerns are reflected in the conference sessions on carbon sequestration technology and hydrogen fuels, which have become two of the oil industry's favorite means of addressing global warming.” Natural gas – and President Biden’s pause on new LNG export projects – will be high on the agenda. The Houston Chronicle reported that geothermal is also a “hot topic.” And several sessions will focus on the role of nuclear power going forward. Last Energy, a company that builds micro-scale nuclear power plants, apparently plans to hang one of its “nuclear islands” from a crane outside the venue.

    3. South Sudan closes all schools, braces for extreme heat wave

    South Sudan has shuttered all schools “indefinitely” and told parents to keep kids indoors ahead of a two-week heat wave expected to bring temperatures as high as 113 degrees Fahrenheit. The east African country is no stranger to heat, but temperatures have rarely exceeded 104 degrees Fahrenheit, according to The Associated Press. “This extreme weather condition poses serious health hazards to children, particularly young learners and adults with underlying health conditions,” said the Ministry of Health. “During the closure of the schools, parents are advised to stop their children from playing outdoors.” South Sudan is one of the five most climate-vulnerable countries in the world, according to the UN Environment Programme, and has over the years seen temperatures rise and floods become more common.

    4. Ocean temperatures break records for full year

    Global sea surface temperatures have been at record highs for at least 365 days now, the Financial Times reported. On Wednesday of last week ocean temperatures set a new all-time high at 21.2 degrees celsius, or 70.16 degrees Fahrenheit. “This exceptional heat has bleak implications,” the FT said. Some ecosystems, including coral reefs, are already showing signs of devastation. And scientists are increasingly worried about a strong upcoming Atlantic hurricane season. On a macro level, there’s “a lot of concern” that a key ocean current conveyor belt known as the Atlantic Meridional Overturning Circulation (AMOC) could slow due to an influx of fresh meltwater, “with unknown consequences for habitable conditions on Earth.”

    5. China begins construction on major clean energy transmission line

    China has reportedly broken ground on an ultra-high-voltage transmission line that will span 664 miles and help the country integrate growing amounts of clean energy. China is the world’s biggest greenhouse-gas emitter, but the country is rapidly expanding its renewable capacity: Last year it installed more new solar panels than the total built by any other country, and its wind installation climbed, as well. Solar installations are expected to rise another 7% this year. But the grid has struggled to keep up. The new $3.9 billion transmission project will serve three provinces, be fed by solar and wind power, and store energy in mountain reservoirs, Bloomberg reported.

    THE KICKER

    “Kitten season” – the warmer months when cats are most fertile and begin to reproduce – is starting earlier and lasting longer as the climate warms, putting added pressure on animal rescue shelters.

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    Politics

    Exclusive: Over 530 Local Laws Now Seek to Ban or Restrict Data Centers

    The overwhelming majority of the ordinances were enacted this year, a Heatmap Pro review shows. They’re helping to drive an unprecedented surge of data center cancellations.

    Local laws restricting or banning data centers.
    Heatmap Illustration | Unsplash

    America’s data center backlash is gaining steam.

    Anti-data-center protesters briefly interrupted President Trump’s speech at a General Motors facility in Michigan earlier this week. A day later, the country music legend Willie Nelson called on Americans to “fight against data centers invading our land.”

    Washington has yet to pass major data center regulation. But the backlash is already reshaping local zoning and land use codes across the country, according to an extensive review of public records conducted by Heatmap Pro. A surge of new restrictions and bans have killed dozens of proposed data centers this year.

    More than 500 counties or municipalities now actively restrict or block new data centers, according to the review. This tally includes only the most severe constraints — such as steep setback requirements, impossible noise limits, or outright bans on permit approvals — that all but forbid the construction of a data center.

    The overwhelming majority of these restrictions have been enacted since the beginning of the year. Nearly 190 have been passed since June 1.

    The pace of moratoriums is “accelerating,” Peter Freed, a founding partner at the Near Horizon Group and the former director of energy strategy at Meta, told me.

    Broadly, these new local restrictions seem to be succeeding. More than 50 data centers have been canceled so far this year after facing local pushback of some kind, according to a Heatmap Pro review of press accounts, public records, and project cancellations.

    That’s more than twice as many projects as were canceled under similar circumstances in all of 2025, according to our data. Eight projects were canceled in July alone.

    Ominously for developers, the rate of projects facing cancellations seems to be increasing over time.

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    AM Briefing

    Uncommon Wealth

    On ‘precariously low’ oil stockpiles, China’s ammonia milestone, and a PFAS destroyer

    Hundred dollar bills.
    Heatmap Illustration | Unsplash

    Current conditions: The wildfires in France and Europe are slowing, but three firefighters have died and the looming heat wave could bring yet more disaster • New York and New Jersey are facing flash floods as a storm system makes its way across the Northeast United States • Days of thunderstorms are causing floods across Vientiane, Laos’ sprawling capital.

    THE TOP FIVE

    1. Commonwealth Fusion Systems raises another $1 billion

    Last month, I toured Commonwealth Fusion Systems’ headquarters in small-town central Massachusetts. The place was abuzz in activity. On the factory floor side, workers were assembling the magnets needed to ultimately form the torus-shaped reactor — think a giant doughnut with an interior that curves like the core of an apple — called the tokamak. On the actual reactor side, SPARC — the prototype that CFS expects will make history next year as the first private enterprise and only tokamak to ever generate more energy that it took to start the fusion reaction — was starting to look like a functional machine from my view on a second-story walkway overlooking the sterile assembly room. The old joke that fusion is the energy source of tomorrow — and always will be — certainly didn’t ring as funny now. I’ll tell you who isn’t laughing: All the new investors that just poured another $1 billion into CFS. The company announced its latest funding round early this morning, which brings the startup’s total fundraising since its launch as a spinout from the Massachusetts Institute of Technology in 2018 to $4 billion. CFS now accounts for 30% of all the private capital that has flowed into fusion. What distinguishes this round, my colleague Katie Brigham wrote, is that the money is coming from a bunch of institutional investors, such as pension funds and sovereign wealth funds, rather than venture capitalists. On a call with reporters this week, CFS’s newly-named chief financial officer, Lorence Kim, said it’s the first-time institutional investors comprised the majority of the new funding. When I asked the company’s spokeswoman for a percentage estimate breaking down the new versus old investors in this round, she declined to comment. Kim cautioned that the funding isn’t the kind of capital you raise before launching on a stock market. But his hire is notable. The former Goldman Sachs banker famously helped take the pharmaceutical giant Moderna public and held the top financial role through the start of the Covid-19 pandemic.

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    Energy

    Commonwealth Fusion Systems Wins Over New Class of Investors With $1 Billion Raise

    Risk-averse but deep-pocked institutional investors join the party.

    Commonwealth Fusion Systems Wins Over New Class of Investors With $1 Billion Raise

    When the Fusion Industry Association surveyed the sector earlier this month, it found that the industry’s 56 active companies had collectively raised more than $14.2 billion over the past five years. But an ever-larger share of that money is ending up in the hands of one startup: Commonwealth Fusion Systems.

    With its latest $1 billion funding round, announced today, the MIT spinout now accounts for nearly 30% of all capital in the industry. The new financing, led by a wave of institutional investors entering the sector for the first time, will support construction of the company’s first commercial power plant in Chesterfield County, Virginia, which CEO Bob Mumgaard says is on track to come online in the early 2030s.

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