Rep. John Curtis of Utah, who’s been a consistent green voice on the right, is making climate change a core part of his campaign to replace Mitt Romney in the Senate. POLITICO’s Josh Siegel breaks down Curtis’ strategy, the complicated party dynamics he must navigate, and how his campaign could represent a test case for Republicans on climate change. Plus, federal officials say automakers sold more than 1.4 million electric and plug-in hybrid vehicles in the United States during 2023.   For more news on energy and the environment, subscribe to Power Switch, our free evening newsletter: https://www.politico.com/power-switch And for even deeper coverage and analysis, read our Morning Energy newsletter by subscribing to POLITICO Pro:  https://subscriber.politicopro.com/newsletter-archive/morning-energy   Catherine Morehouse is an energy reporter for POLITICO and the host of the POLITICO Energy podcast. Josh Siegel is an energy reporter for POLITICO.  Nirmal Mulaikal is a POLITICO audio host-producer.  Annie Rees is a senior audio producer-host at POLITICO.  Gloria Gonzalez is the deputy energy editor for POLITICO.  Matt Daily is the energy editor for POLITICO. Learn more about your ad choices. Visit megaphone.fm/adchoices