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Stronger Fuel Economy Standards Are Needed to Clean Up Combustion Vehicles

Union of Concerned Scientists

EPA , and Congress finalized the Energy Independence and Security Act of 2007 , requiring increasing fuel economy standards. As such, under the Clean Air Act EPA has a strong incentive to push the market to adopt advanced technologies like electric vehicles , which can eliminate tailpipe pollution entirely.

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Ask a Scientist: Top Takeaways from the New EPA Carbon Pollution Rules

Union of Concerned Scientists

EN: These standards—or at least something based on the same Clean Air Act provision—have been in the works for a long time. The Clean Power Plan was the culmination of years of legal and technical haggling over EPA authority and obligations, including the landmark Massachusetts v. EPA Supreme Court decision in 2022.