https://about.usps.com/who-we-are/postal-history/electric-vehicles.pdf
https://jalopnik.com/heres-the-secret-new-electric-u-s-postal-service-truck-1819339421
https://postandparcel.info/103161/news/usps-to-introduce-eight-fully-electric-vehicles-to-california/
https://www.trucks.com/2019/02/05/motiv-electric-trucks-u-s-postal-service-test/