How accurate are gas mileage monitors?

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Related HowStuffWorks Articles


  • Allen, Mike. "3 Gadgets That Really Work." Popular Mechanics. DIY Auto. December 2008.
  • Allen, Mike. "How to Monitor Your Fuel Economy in Real Time on the Road." Popular Mechanics. June 9, 2008.
  • Cefali, Anthony. "Every Drop Counts: Nissan to Equip Cars with Fuel Efficient ECO Pedals." Gas 2.0. Aug. 5, 2008.
  • Rosenwald, Michael S. "For Hybrid Drivers, Every Trip Is a Race for Fuel Efficiency." Washington Post. May 26, 2008.

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