Trump CAFE proposal faces legal thicket

Trump administration’s proposal is to freeze average fuel economy target at the 2020 level of 37 mpg. The government “is going to have to justify to a court why it’s changing its position, because the rule was put in place after a robust administrative process and record” showed its benefits, said Cara Horowitz, co-director of the Emmett Institute on Climate Change and the Environment at the UCLA School of law.