For weeks, Democrats, the White House and EPA have pressed Postmaster General Louis Dejoy to commit to electrifying the Postal Service’s delivery vehicles in the coming years. But Dejoy has pushed back, citing the Postal Service’s financial situation. POLITICO’s Tanya Snyder reports.    Kelsey Tamborrino is a reporter covering clean energy and is the host of the POLITICO Energy podcast.  Tanya Snyder covers transportation for POLITICO.  Nirmal Mulaikal is a POLITICO audio host-producer.  Carlos Prieto is an audio producer for POLITICO.  Raghu Manavalan is a senior editor for POLITICO audio. Jenny Ament is the interim executive producer of POLITICO’s audio department. Learn more about your ad choices. Visit megaphone.fm/adchoices