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Republicans are split over the PROVE It Act, a modest bipartisan bill set for markup today in the Senate that would authorize a two-year study into how carbon emissions of U.S. manufactured goods compare to allies and adversaries. POLITICO\u2019s Josh Siegel breaks down the details of the bill and how it\u2019s exposing larger divisions among Republicans over how to integrate climate into trade policy. Plus, the Supreme Court\u2019s conservative majority seems poised to weaken the power of federal agencies after Wednesday\u2019s oral arguments in the Chevron deference case.\xa0\n\nFor more news on energy and the environment, subscribe to Power Switch, our free evening newsletter: https://www.politico.com/power-switch\n\nAnd for even deeper coverage and analysis, read our Morning Energy newsletter by subscribing to POLITICO Pro: https://subscriber.politicopro.com/newsletter-archive/morning-energy\n\nJosh Siegel is an energy reporter for POLITICO. \nCatherine Morehouse is an energy reporter for POLITICO. \nNirmal Mulaikal is a POLITICO audio host-producer. \nAnnie Rees is a senior audio producer-host at POLITICO. \nGloria Gonzalez is the deputy energy editor for POLITICO. \nMatt Daily is the energy editor for POLITICO.