Photo via: Dodge Challenger1We talk a lot about electric cars and hybrids here on Treehugger and Planet Green, but there are those of us who still have a fix for that old American Muscle Car. There is nothing like the raw scream of a V-8 engine coming out onto the highway, or the adrenaline rush of snapping a speedo from 0 to 60 in under 5 seconds.We've still got several years until zero emissions sports cars such as the Tesla Roadster become affordable enough for the average consumer, so until
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