Want climate news in your inbox? Sign up here for Climate Fwd:, our email newsletter. Breaking with some of their biggest rivals, General Motors, Fiat Chrysler and Toyota said Monday they were intervening on the side of the Trump administration in an escalating battle with California over fuel economy standards for automobiles. Their decision pits them against leading competitors, including Honda and Ford, who this year reached a deal to follow California’s stricter rules. It represents the...