The truck has a 500-mile range on one charge even if it’s fully loaded at a gross vehicle weight of 80,000 pounds. It also comes with a million-mile guarantee on its powertrain. Musk said it will be able to maintain a speed of 65 mph while going up a 5 percent grade. https://www.npr.org/sections/thetwo-way/2017/11/17/564777998/tesla-unveils-its-electric-semi-truck-and-adds-a-roadster
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