Not surprisingly, the new EV1 is a one-of-a-kind hybrid that combines proven off-road racing technology with a cutting edge drivetrain.

ENGADGET: SRI EV1 brings all-electric racing to the Mexican 1000 rally (video)

Porsche today unveiled its 918 RSR, a single-seat hybrid racer that will set the tone for its racing technology over the next decade.

FORBES: Porsche's 918 RSR is a Real Hybrid, and it's Spectacular

In November, McLaren announced it would design and build the powertrain for the first Formula E cars in consortium with Spark Racing Technology (SRT), a new company led by Frederic Vasseur.

ENGADGET: Rome to bring Formula E to Europe, joins a growing eco-racing scene