The Biden administration announced new automobile emissions standards Wednesday that officials said were the most ambitious ever to reduce carbon emissions from passenger vehicles.
The new rules relax the initial tailpipe limits that were proposed last year, but they’ll eventually approach the same strict standards laid out by the Environmental Protection Agency.
The rules come as sales of electric vehicles, which are needed to meet the standards, have begun to slow. The auto industry cited lower sales growth in objecting to the EPA’s preferred standards unveiled last April as part of its ambitious plan to cut planet-warming emissions from passenger vehicles.
The EPA said that under its final rule, the industry could meet the limits if 56% of new vehicle sales are electric by 2032, along with at least 13% plug-in hybrids or other partially electric cars, as well as more efficient gasoline-powered cars that get more miles to the gallon.
The new standards will avoid more than 7 billion tons of planet-warming carbon emissions over the next three decades and provide nearly $100 billion in annual net benefits, the EPA said, including lower health care costs, fewer deaths and more than $60 billion in reduced annual costs for fuel, maintenance and repairs.
The EPA rule applies to model years 2027 to 2032 and will significantly reduce emissions of planet-warming greenhouse gases, as well as other air pollution such as nitrogen oxides and particulate matter from new passenger cars, light trucks and pickups. The rule will help “tackle the climate crisis” and result in widespread reductions in air pollution while accelerating the adoption of cleaner vehicle technologies, the EPA said. The agency is finalizing the rule as sales of clean vehicles, including plug-in hybrid and fully electric vehicles, hit record highs last year.
The new rule slows implementation of stricter pollution standards from 2027 through 2029, after the auto industry called proposed benchmarks unworkable. The rule ramps up to nearly reach the level the EPA preferred by 2032.
“Let me be clear: Our final rule delivers the same, if not more, pollution reduction than we set out in our proposal,” EPA Administrator Michael Regan told reporters. In addition to carbon pollution, the final standards also will reduce other serious air pollution that contributes to heart attacks, respiratory illnesses, aggravated asthma and decreased lung function, Regan said.
“Folks, these new standards are so important for public health, for American jobs, for our economy and for our planet,” he said.
The standards are designed to be technology-neutral and performance-based, Regan said, giving car and truck manufacturers the flexibility to choose pollution-control technologies that are best suited for their customers while meeting environmental and public health goals.
The changes appear aimed at addressing strong industry opposition to the accelerated ramp-up of EVs, along with public reluctance to fully embrace the new technology. There is also a legitimate threat of legal challenges before conservative courts.
The Supreme Court, with a 6-3 conservative majority, has increasingly reined in the powers of federal agencies, including the EPA, in recent years. The justices have restricted the EPA’s authority to fight air and water pollution — including a landmark 2022 ruling that limited the EPA’s authority to regulate carbon dioxide emissions from power plants that contribute to global warming.
President Joe Biden has made fighting climate change a hallmark of his presidency and is seeking to slash carbon dioxide emissions from gasoline-powered vehicles, which make up the largest single source of U.S. greenhouse gas emissions.
At the same time, the Democratic president needs cooperation from the auto industry and political support from auto workers, a key political voting bloc. The United Auto Workers union, which has endorsed Biden, has said it favors the transition to electric vehicles but wants to make sure jobs are preserved and that the industry pays top wages to workers who build the EVs and batteries.
White House press secretary Karine Jean-Pierre said Tuesday that White House officials “don’t have any concerns” about the final EPA rule. “We know, with these types of things, it takes time,” she told reporters. “But we’re still going to stay committed to our (climate) goals.”
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