US finalizes tougher new tailpipe emissions limits for heavy duty vehicles
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The U.S. Environmental Protection Agency (EPA) has finalized stringent new tailpipe emissions standards for heavy-duty vehicles, including semi-trucks and buses. The new rules, which apply to the 2027 through 2032 model years, are expected to avoid 1 billion tons of greenhouse gas emissions and provide $13 billion in annualized net benefits to society. Heavy-duty vehicles account for 25% of all greenhouse gas emissions from the transportation sector in the U.S. The EPA stated that the standards are technology-neutral and performance-based, allowing manufacturers to choose the emissions control technologies that best suit their needs. The new standards apply to various types of vehicles, including delivery trucks, garbage trucks, public utility trucks, transit, shuttle, and school buses, and tractor-trailer trucks. The EPA also mentioned that the final rule provides more time in the early model years for the development of vehicle technologies and the deployment of charging and refueling infrastructure, as well as flexibilities to assist manufacturers in meeting the standards in the early years. Last week, the EPA also finalized emissions rules for light and medium-duty vehicles through 2032, reducing its target for U.S. electric vehicle adoption from 67% to as little as 35% by 2032.

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https://www.investing.com/news/stock-market-news/us-finalizes-tougher-new-tailpipe-emissions-limits-for-heavy-duty-vehicles-3358030