FILE - Cars drive on the Hollywood Freeway (U.S. 101) in Los Angeles, April 16, 2020. New vehicles sold in the U.S. will have to average about 38 miles per gallon of gasoline in 2031 in real world driving, up from about 29 mpg this year, under new federal rules unveiled Friday, June 7, 2024, by the Biden administration. President Joe Biden has set a goal that half all of new vehicles sold in the U.S. in 2030 are electric. (AP Photo/Mark J. Terrill, File)