Updated May 2009
Others who noticed the problem with MPG or made a case for GPM before June 2008
Clark Williams Derry at Sightline Daily posted here, here, and here.
Eric De Place at Sightline Daily posted here and here, noted by Andrew Sullivan.
Barry Nalebuff and Ian Ayres in Forbes (Why Not?), Dennis Simanaitis at Road and Track here (see halfway down) and here, Automotive News, Boston Herald, Ben Garrido at Reno News & Review, Tony's Climate Blog, Halfbakery, No, Dave, it's just you,
A CarTalk puzzler that illustrates the problem with MPG
Discussion of the MPG Illusion or GPM between June and November 2008
See this collection of links on my Research Highlights webpage.
Discussion of the MPG Illusion or GPM since December 2008
New York Times, Autobloggreen (and here, here, here, and here), New York Times - Greenwire, Green Car Reports here and here, Christian Science Monitor, Good Magazine, Detroit Free Press, Harvard Gazette, Felix Salmon-Reuters, Treehugger, Consumerology, W&M Alumni Magazine, Climate Progress, The Street (AP), Next 100, IEEE Spectrum, Marty Padgett at the Car Connection, Huffington Post, Cognitive Daily, Wattzon, After Gutenberg, BMSeer, Driver Side, Fat Knowledge, National Motorists Association, Hybrid Review here and here, Whipnotic, Science in Society, Metamodern, Master Resource, Lemon Laws, Earth2Tech, Overcoming Bias, EnerBlog, Distributor Cap NY, Will Wilson, Business is Personal, My Black Brick, A Blue View, McKenna VW, Enviroboys, Loyalty Driver,