Biden Administration Tightens Mileage Rules to Buoy Electric Vehicles

The Biden administration on Friday tightened vehicle fuel mileage standards, part of its strategy to transform the American auto market into one that is dominated by electric vehicles that do not emit the pollution that is heating the planet.

The new mileage standards announced by the Transportation Department are among several regulations the administration is using to prod carmakers to produce more electric vehicles. In April, the Environmental Protection Agency issued strict new limits on tailpipe pollution that are designed to ensure that the majority of new passenger cars and light trucks sold in the United States are all-electric or hybrids by 2032, up from 7.6 percent last year.

In addition to the regulations, the 2022 Inflation Reduction Act, championed by Mr. Biden, provides tax credits for buyers of new and used electric vehicles, along with incentives for charging stations and grants and loans for manufacturers.

The push for more E.V.s comes as the world’s leading climate experts say that retiring the internal combustion engine is critical to staving off the most deadly effects of global warming.

But Mr. Biden’s efforts have become a meaty target for former President Donald J. Trump and other Republicans who frame them as the federal government taking away consumer choice. The oil and gas industry is spending millions on advertising that falsely calls Mr. Biden’s policies a ban on conventional cars.

Mr. Trump has made attacks on electric vehicles a mainstay of his campaign to retake the White House, falsely saying they do not work, cannot travel far and will “kill” the American automobile industry. Mr. Trump has promised that if he is elected to a second term he will undo Mr. Biden’s climate policies, including federal support for electric vehicles.

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