Hybrid vs. diesel vs. flex-fuel

Which will do the most for the environment, fuel supplies and your bank account.

By Peter Valdes-Dapena, CNNMoney.com staff writer
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13 great fuel-efficient cars
13 great fuel-efficient cars
Kelley Blue Book names cars in every category that save fuel without sacrificing very much else. (more)
Extreme 'green' cars of the future
Extreme 'green' cars of the future
L.A. Auto Show competition asks designers to dream up the ultimate environmentally friendly car. (more)
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Most stock quote data provided by BATS. Market indices are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer. Morningstar: © 2018 Morningstar, Inc. All Rights Reserved. Factset: FactSet Research Systems Inc. 2018. All rights reserved. Chicago Mercantile Association: Certain market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. Dow Jones: The Dow Jones branded indices are proprietary to and are calculated, distributed and marketed by DJI Opco, a subsidiary of S&P Dow Jones Indices LLC and have been licensed for use to S&P Opco, LLC and CNN. Standard & Poor's and S&P are registered trademarks of Standard & Poor's Financial Services LLC and Dow Jones is a registered trademark of Dow Jones Trademark Holdings LLC. All content of the Dow Jones branded indices © S&P Dow Jones Indices LLC 2018 and/or its affiliates.