Money The future of USPS trucks is electric: The new fleet will replace, expand more than 230K vehicles February 23, 2021February 24, 2021Terry Collins, USA TODAYComments Off on The future of USPS trucks is electric: The new fleet will replace, expand more than 230K vehicles The USPS awarded a 10-year multi-billion dollar contract to Wisconsin-based Oshkosh Defense to replace it's aging fleet of vehicles.