In February, the USPS said it would purchase 5,000 fully electric versions of the , with gas-powered trucks accounting for the remaining 45,000 of the initial order.Now, the postal service aims to buy at least 60,000 Next Generation Delivery Vehicles by 2028, at least 75 percent of which will be electric models.The agency expects to spend $9.6 billion on these vehicle purchases and related infrastructure, $3 billion of which is from funding."The $3 billion provided by Congress has significantly reduced the risk associated with accelerating the implementation of a nationwide infrastructure necessary to electrify our delivery fleet," Postmaster General Louis DeJoy said."While most of the electric vehicle funding will continue to come from Postal Service revenues, we are grateful for the confidence that Congress and the Administration have placed in us to build and acquire what has the potential to become the largest electric vehicle fleet in the nation.""