GM said it was important to set a record only after optimizing the vehicle in ways real customers could replicate at home.

General Motors has driven a Chevrolet Silverado EV Work Truck more than 1000 miles on a charge on public roads, although they kept speeds low as much as possible.

The Silverado EV managed to more than double its EPA-rated range thanks to meticulous planning, good weather, and a host of hypermiling tricks.