White House Proposal Rolls Back Fuel Economy Standards, No Exception For California

California argues it should be allowed to set its own fuel efficiency standards.

Rich Pedroncelli / AP

Updated at 11:58 a.m. ET

The Trump administration has proposed a rollback of Obama-era fuel efficiency and emissions standards, while simultaneously taking aim at California’s unique ability to set more stringent rules.

Under the Obama administration, the Environmental Protection Agency called for the fuel economy standards for new vehicles to ratchet up over time. The increasingly strict standards were designed to combat climate change by reducing greenhouse gas emissions.