http://feedproxy.google.com/~r/ThePopularMechanicsShow/~5/eBkztPvN6qE/PopMechShow54.mp3 MPGenius: Hypermiling Tips, Fuel-Saving Myths, 100-MPG High http://feedproxy.google.com/~r/ThePopularMechanicsShow/~3/eBkztPvN6qE/PopMechShow54.mp3 2008-05-26 http://media.popularmechanics.com/images/PodcastIcon.jpg