The Biden administration recently proposed new fuel economy standards for passenger cars and light trucks with the goal of achieving cost savings for American consumers at the gas pump. However, the new rules could also lead to higher vehicle prices.
The proposed Corporate Average Fuel Economy (CAFE) standards from the National Highway Traffic Safety Administration (NHTSA) would require a 2% annual improvement in fuel efficiency for passenger cars and a 4% annual improvement for light trucks starting in 2027. Pickup trucks and work vans would face even greater increases, mandated to boost fuel efficiency by 10% each year from 2030 onwards.
According to the NHTSA, these standards could increase the average U.S. fleet fuel economy to 58 miles per gallon by 2032, a significant increase from the current 26.4 mpg average reported by the Environmental Protection Agency (EPA) for 2022 model year vehicles. The changes would effectively require automakers to more than double fuel efficiency within a decade or face penalties.
The administration predicts the new CAFE rules could save consumers over $50 billion in lifetime fuel costs per vehicle and reduce gasoline consumption by 88 billion gallons by 2050. The NHTSA also projects significant reductions in carbon emissions, equivalent to removing over 233 million vehicles from roads by 2050.
However, the auto industry has expressed concerns about the costs of meeting the new standards. In a July meeting, General Motors cited estimates that the rules could cost companies up to $300 billion, mainly from government fines for failing to meet fuel efficiency requirements.
The CAFE proposal aligns with ambitious EPA tailpipe emissions rules also aimed at increasing electric vehicle adoption. While the administration views the new standards as an important step towards climate change mitigation and improved fuel efficiency, the rules face opposition from Republican lawmakers, the fossil fuel industry, and automakers concerned about implementation costs. The outcome of the CAFE proposal remains uncertain given these opposing viewpoints.