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Old 08-12-2008, 08:45 PM   #3 (permalink)
azraelswrd
Mr. Blue Tape
 
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Join Date: Jun 2008
Location: Fresno, CA
Posts: 345

AzxA - '06 Scion xA
90 day: 42.72 mpg (US)
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Mercedes and a few others have been working on ways to recapture the heat as reusable energy. Stirling engines were an early favorite but they have their own issues.
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My 5 pillars of fuel efficiency:
  • driving style
  • aerodynamics
  • tires
  • weight reduction
  • engine maintenance
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