A vigorous court challenge is to be expected, that’s gonna be New Work State’s general and 12 other top state law enforcement’s try to roll back vehicle emission rules announced by Trump’s administration before. In March, President Donald Trump ordered a review of U.S. vehicle fuel-efficiency standards from 2022-2025 put in place by the Obama administration, saying they were too tough on the auto industry. The push to weaken the rules by the Trump administration comes as automakers are worried that consumers shift to larger vehicles and low gas prices will make it expensive or impossible to meet the regulations. They also fear a prolonged fight with states over the rules could make revising their product plans difficult. Democratic state officials have been increasingly aggressive in challenging Trump administration regulatory rollback efforts.