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  • U.S. Department of Energy: Fuel Economy
  • www.fueleconomy.gov
  • Find cars that protect the environment and save you money. Information on advanced technology, gas mileage tips, links, and car by car fuel ratings.
4.6
(si*)
>1000
7
  • Gas 2.0
  • gas2.org
  • Biofuels blog provides news, opinion, and in-depth objective analysis about ethanol plants, DIY biodiesel, car hackers, energy legislation, cellulosic and algae biofuels. Aimed at both technically-minded and novice readers.
4.1
(si*)
>110
5
  • Uncle Mark's Alternative Fueling Station
  • www.altfuels.org
  • Alternative motor vehicle fuel FAQs, detailed background information on the subject, and reports on developments in the alternative-transportation marketplace.
3.5
(si*)
-
4
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