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This Week at Treehugger: more news from the Philadelphia high school kids who built the hybrid sports car; all of us feeling officially feeling lame about our own high school accomplishments; a Treehugger-tingling drop in SUV sales for February; another layer on the already layered debate over ethanol and if it s really worth half a shit; three British guys have their small mums race three small cars, which of course makes us smile; and mounds of more fantastic stuff you didn t even know you cared about!

[Treehugger's Perspective Shift roundup appears every Wednesday]