The EPA proposes gutting its greenhouse gas rules. Here's what it means for cars and pollution

NPR
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In an aerial view, cars travel along Interstate 80 in Berkeley, Calif., on January 16, 2024. The regulations that require automakers to build more efficient, cleaner vehicles are being loosened under the Trump administration.

The Trump administration has effectively eliminated two rules designed to promote cleaner cars. Now, as the EPA suggests not considering carbon dioxide to be pollution, the last is poised to fall.

(Image credit: Justin Sullivan)

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