The EPA released a major new rule Wednesday designed to ratchet down tailpipe emissions from cars and trucks, one of President Biden’s most ambitious actions to combat climate change. POLITICO’s Alex Guillén breaks down what's in the rule and the potential political and legal fallout. Plus, Energy Secretary Jennifer Granholm told House lawmakers that the Energy Department's study on whether new liquefied natural gas exports are in the national interest will likely drop at the end of the year.