The Chevrolet Silverado EV has one of the most impressive range estimates in the industry, reaching almost 500 miles in its most efficient form, but General Motors engineers recently squeezed more than double that number out of the truck’s battery.

Range anxiety is one of the leading reasons consumers cite for avoiding electric vehicles, and a big purchase reason for customers of the Silverado EV, which advertises a range of 400-plus miles over its various trims.