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  • Allen, Mike. "3 Gadgets That Really Work." Popular Mechanics. DIY Auto. December 2008.
    http://www.popularmechanics.com/automotive/how_to/4294223.html?page=2
  • Allen, Mike. "How to Monitor Your Fuel Economy in Real Time on the Road." Popular Mechanics. June 9, 2008.
    http://www.popularmechanics.com/automotive/how_to/4267957.html
  • Cefali, Anthony. "Every Drop Counts: Nissan to Equip Cars with Fuel Efficient ECO Pedals." Gas 2.0. Aug. 5, 2008.
    http://gas2.org/2008/08/05/every-drop-counts-nissan-to-equip-cars-with-fuel-efficient-eco-pedals/
  • Rosenwald, Michael S. "For Hybrid Drivers, Every Trip Is a Race for Fuel Efficiency." Washington Post. May 26, 2008.
    http://www.washingtonpost.com/wp-dyn/content/article/2008/05/25/AR2008052502764.html