The Biden administration released an ambitious rule Wednesday that it argues will save thousands of lives by cracking down on particular matter, which are tiny particles in the air that have negative health impacts. POLITICO’s Alex Guillén breaks down the regulation’s potential environmental and public health benefits along with the pushback from industry and Republicans. Plus, House Energy and Commerce Committee Chair Cathy McMorris Rodgers (R-Wash.), a frequent critic of the Biden administration's climate agenda, says she won’t seek re-election.   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   Josh Siegel is an energy reporter for POLITICO. Alex Guillén is an energy reporter for POLITICO Pro. 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.