The lawsuit is the 97th the state has filed against the Trump administration over the past year and a half.
The new models can prove expensive and unreliable and lack the range to fully replace older buses, stalling a transition from fossil fuels.
The Trump administration wants to roll back some Biden-era restrictions on smog-causing emissions from heavy-duty vehicles.
A lawsuit argues that the state’s regulations would illegally force a rapid transition to electric vehicles.
The E.P.A.’s killing of the “endangerment finding” caps a year of deregulation that is likely to make cars thirstier for gas and less competitive globally, experts say.
The annual gathering of top business leaders and policymakers used to be a center of the global climate movement. Things are much more complicated now.
The political polarization of battery-powered cars may have started when Toyota released its first hybrid model 25 years ago.
The Trump administration has aggressively pulled America away from its global role in climate and environmental research, diplomacy, regulation and investment.
Trump has shifted the U.S. approach to the Arctic, promoting oil and gas even as scientists have issued more dire warnings about the region.
Waymo is rapidly expanding in the U.S. But experts say there are big questions about how self-driving cars could affect traffic and greenhouse gas emissions.
The president said he would weaken Biden-era mileage standards, which were designed to increase electric-vehicle sales, calling them a “scam.”
The agency’s administrator said in a podcast that the move would be “the largest deregulatory action in the history of America.”
According to two people familiar with the draft, it would eliminate the bedrock scientific finding that greenhouse-gas emissions threaten human life by dangerously warming the planet.
The 7-to-2 decision stressed that it did not address the merits of the dispute, and concerned only whether the producers had standing to sue.
California leaders said the state intends to challenge the move in court, and to find new ways to move drivers toward electric vehicles.
For decades, California has been able to adopt its own emissions regulations, effectively setting the bar for carmakers nationally. And for just as long, Republicans have resented the state’s outsize influence.
Republicans, joined by a handful of Democrats, voted to eliminate California’s electric vehicle policy, which had been adopted by 11 other states.
The Trump administration asked Republicans in Congress to stop California’s ban on new gas-powered cars. The Senate parliamentarian said it wasn’t allowed.
The administration is setting the stage for Congress to repeal a longstanding waiver that allows California to set its own pollution standards. State officials say the effort is illegal.
The funding, approved by Congress and overseen by the Environmental Protection Agency, had been blocked since January, when President Trump ordered a pause and review of climate and clean energy programs.