It's the U.S. EPA, under the new acting administrator, against two top officers in the Department of Transportation. Both agencies (along with California) determine fuel efficiency standards. Guess which wants to proceed cautiously in the rollback?
A week ago, Secretary of Transportation Elaine Chao indicated she would not sign-off on the $647 million federal grant for the $2 billion Caltrain electrification project. On Monday, she changed her mind.