General Motors' Hydrotec fuel cell power cubes provide more than 80 kW of quiet, efficient power and can be arrayed 2-3 units per vehicle to achieve higher power ratings. (Photo by Steve Fecht for General Motors)

Oops, Your lightbox has reached it's max.

Please view your lighbox to modify the assets. It is recommended that you download your current lightbox contents and clear its assets to add more.

View Lightbox