That 50 miles per gallon would have been a high bar for gas-powered cars to achieve. Per the NYT, the Biden administration estimated that its stringent fuel efficiency requirements would save $23 billion in fuel costs and prevent more than 710 million metric tons of carbon dioxide from being emitted by 2050. Failure to meet the efficiency standards would result in hefty fines. Trump eliminated the fines this summer, and ended a program that provided tax credits up to $7,500 for buying EVs. We can bring back choice to consumers.”More on Trump: Republicans Complain That Cars Have Become Too Safe, Say It Must Be Reversed