Boosted Board isn't the first powered skateboard to grace these pages, but it is the lightest. In its current prototype form, it weighs just 12 pounds, thanks to a high-end Loaded Vanguard longboard, 2,000W brushless electric motor, 100W/h Lithium polymer battery pack and regenerative braking and drivetrain bits. That hardware will move you along at up to 20mph, provide about six miles of range and tackle up to a 15 percent grade. The company is also evaluating different battery chemist