Trump administration officially revokes California tailpipe emissions waiver

The Trump administration on Thursday officially revoked California's tailpipe waiver under the Clean Air Act, a decision likely to face quick legal challenges.

The Department of Transportation and Environmental Protection Agency (EPA) unveiled the “One National Program Rule,” giving the federal government sole authority to set emission standards for cars.

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The rule is part of the administration's Safer, Affordable, Fuel-Efficient (SAFE) Vehicles Rule, a draft of which was submitted to the White House in August.

The second part of the rule will include a final decision over what fuel efficiency levels to set emissions at starting in 2025.

Revoking California's waiver will also affect 13 other states that adopt California’s tougher emissions standards.

“One national standard provides much-needed regulatory certainty for the automotive industry and sets the stage for the Trump Administration’s final SAFE rule that will save lives and promote economic growth by reducing the price of new vehicles to help more Americans purchase newer, cleaner, and safer cars and trucks," EPA Administrator Andrew WheelerAndrew WheelerAnother toxic EPA cookbook OVERNIGHT ENERGY: EPA questions legality of California's move on gas-powered cars | COVID-19 relief bill would require aided utilities to suspend shutoffs | Trump offshore energy pause includes wind EPA questions legality of California's attempt to phase out sales of gas-powered cars MORE said in a statement.

President TrumpDonald John TrumpFive takeaways from Trump-Biden debate clash The Memo: Debate or debacle? Democrats rip Trump for not condemning white supremacists, Proud Boys at debate MORE on Wednesday tweeted that the waiver would be revoked while he was fundraising in California.

California Attorney General Xavier BecerraXavier BecerraState AGs condemn HUD rule allowing shelters to serve people on basis of biological sex OVERNIGHT ENERGY: Trump casts doubt on climate change science during briefing on wildfires | Biden attacks Trump's climate record amid Western wildfires, lays out his plan | 20 states sue EPA over methane emissions standards rollback 20 states sue EPA over methane emissions standards rollback MORE (D) has threatened to sue the administration if it moved to revoke the state's waiver. The state has relied on the waiver process to set their own tougher emissions standards for about 50 years. 

“There's no question, of course, that we will be in court," California Air Resources Board Chairwoman Mary Nichols said in a press conference Wednesday.

“This is the fight of a lifetime. We have to win this,” she added.

California sees the waiver as an important states' rights battle. The state says tougher emissions standards are necessary to fight climate change and reduce air pollution.

Rebecca Beitsch contributed reporting.