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.


Flex-fuel

Clean diesel

Natural gas

Parallel hybrid

Two-mode hybrid

Hydrogen-
burning

Plug-in hybrid

Series hybrid

Fuel cell

Plug-in fuel cell

Turbine
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Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.