The three-year Challenge X program from GM will end in May with a championship announcement in Washington, D.C. 17 student teams are adding biofuel, hybrid, PHEV and/or hydrogen fuel cell propulsion systems to the Equinoxes. Before the student get to find out who's re-engineered a Chevy Equinox into the best green ride, there are still tests to run and promotion to be had.

The Challenge X vehicle from Michigan Tech will be in Detroit this week and we'll try to make time for another spin in the SUV during the SAE Congress. In mid-2007, the MTU vehicle's belt-alternator starter system (similar to what GM uses in the production Saturn Vue and Aura) felt smoother to us than some production hybrids, even though the team was sitting in the lower half of the pack in the overall rankings.


[Source: GM]



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