SONOMA COUNTY, Cailf. (KGO) -- Sonoma Raceway is gearing up for what may be the greenest event in motorsports: the Shell Eco-Marathon. At a race that's free for both spectators and competitors, 99 ...

Many of the cars are more like enclosed bicycles, and virtually none of them could operate on public roads or highways. But the Shell Eco-Marathon offers some useful lessons for the more than 100 high ...

SONOMA, Calif. (KTVU) - Students from all over the world were at the Sonoma Raceway Saturday, for the final day of Shell’s 13th annual Eco-Marathon. Teams from eight different countries competed to ...

I am geared up in a race suit, waiting for my shot at the track. But I won’t be racing. Instead, I’ll be competing with others for fuel efficiency. My drive is a lightweight, capsule-shaped, one-seat ...