As an addendum to my earlier post titled Operation Overdrive, wherein I suggest that GM and Bob Lutz are irrelevant, check out this clip from September17th's Colbert Report. Lutz - the notorious climate skeptic who oversees product development at GM -plugged GM’s "gas-friendly" technologies in one breath and then denied human-caused climate change in the next. watch it at: http://www.colbertnation.com/the-colbert-report-videos/185021/september-17-2008/bob-lutz