Just one month ago, Elon Musk made headlines with his the debut of his revolutionary Tesla Semi Truck. The super-sized electric marvel is able to get 500 miles on a charge, reach 60 mph in five seconds without a trailer, and regenerative braking able to recover 98% of kinetic energy to the battery. Impressive? Yes. But there's another kid in town with designs to beat Musk to the market with an electric rig of his own.