( October 30, 2024, 7:39 AM EDT) -- WASHINGTON, D.C. — About two dozen states and a cluster of private groups filed a pair of petitions in consolidated litigation in the District of Columbia Circuit U.S. Court of Appeals that challenge an Environmental Protection Agency rule that implements new greenhouse gas (GHG) emissions standards for heavy-duty vehicles, claiming that the rule is an overreach of the agency’s authority and is arbitrary and capricious in its execution....