Car companies are looking at a variety of ways to get more miles out of a gallon, a bushel or a volt.
Chevrolet Equinox Fuel Cell
Fuel cell
Chevrolet Equinox Fuel Cell
General Motors has produced 100 of these fuel cell SUVs and will give them to selected people, including celebrities, politicians and "everyday drivers," to use in their daily lives. The vehicles will be tested in the Los Angeles, Washington D.C. and New York City areas beginning later this year.

Hydrogen fuel cells produce electricity by combining hydrogen with oxygen from the area in a process that releases energy and water.


Clean diesel

Natural gas

Parallel hybrid

Two-mode hybrid


Plug-in hybrid

Series hybrid

Fuel cell

Plug-in fuel cell

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