Environmentalists join suits over NHTSA bar on California GHG rules

A broad coalition of environmental groups is joining legal challenges to the Trump administration’s preemption of California’s vehicle greenhouse gas standards, after nearly two dozen states filed similar litigation against the preemption rule one week ago. Like the state litigation, the environmentalists’ Sept. 27 suit was filed in the U.S. District Court for the District of Columbia, targeting the National Highway Traffic Safety Administration’s (NHSTA) rule that claims the state’s GHG and zero-emission vehicle (ZEV) rules are preempted under the...