More than a decade after the debut of the Toyota Prius, Porsche is racing a new version of its evergreen 911 that has some potential to shake up the world of hybrid technology. The 911 GT3R hybrid is ...

Lock up your flywheels, folks, an American inventor is coming after them. Randy Moore of RK Transportation is working on an idea that replaces an engine's flywheel with a lightweight rotor with ...

When a Speed network television crew interviewed Margo T. Oge, then-director of the Environmental Protection Agency’s Office of Transportation and Air Quality, during the 10-hour-long 2010 Petit Le ...

As has been said time and time again, weight and horsepower are interchangeable. Save 50 pounds, and it's like adding quite a few extra ponies. The burden of mass becomes even more of an issue when ...

According to Wiki, Moment of Inertia is the mass property of a rigid body that defines the torque needed for a desired change in angular velocity about an axis of rotation. For us normal folk, it is ...