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US proposes to unwind Biden's heavy truck fuel efficiency rules

The U.S. Transportation Department announced Friday that it will propose rolling back the fuel economy standards for?heavy duty pickup trucks and vans. This is part of a larger effort to undo strict vehicle standards established by former president Joe Biden. Biden's administration finalized in 2024 rules that required heavy-duty trucks and vans increase their fuel efficiency by 10% annually for model year 2030-2032, and 8% annually for model year 2033-2035.

In a letter sent to automakers on Friday, the National Highway Traffic Safety Administration said that these rules were unrealistic and needed to be reset. The letter said that the previous administration did not have the legal authority necessary to impose civil penalties on those who failed 'to meet standards' for larger vehicles.

Jonathan Morrison, NHTSA Administrator, said that unrealistic standards "harm American business owners and consumers who use commercial vehicles." The Biden administration had stated that the heavy-duty trucks rules would "result a fleetwide averaging of approximately 35 miles per gallon by the model year 2035, saving heavy duty pickup and van owners over $700 in fuel throughout the lifetime of their vehicle."

Biden's Environmental Protection Agency issued parallel rules. In 2024, the American Trucking Associations said that the 2030 regulations were "totally unachievable" given the state of the zero-emissions technology and the lack of charging infrastructure.

NHTSA announced last month that it would lower the fuel economy standards for passenger cars and light trucks. This was done to encourage automakers to produce gasoline-powered vehicles. The NHTSA revised down its 2022 standards, and proposed to increase them by 0.25% to 0.5% per year through 2031. Under?Biden's leadership, NHTSA increased fuel economy by 8% per year for model years 2024-2025, and 10% for 2026.

NHTSA estimates that the proposed rule will reduce "average up-front vehicle cost for automakers by $930 but increase fuel consumption by around 100 billion gallons by 2050. This could cost Americans an additional $185 billion in fuel costs and increase carbon dioxide emission by about 5%.

NHTSA announced on Friday that it would complete the new regulations as quickly as possible. Trump signed a law last year that eliminated fuel economy penalties on automakers. NHTSA confirmed they had no fines going back to 2022. (Reporting and editing by Franklin Paul, David Gregorio, and David Shepardson)

(source: Reuters)