General Motors Corp Vice Chairman Bob Lutz has come out swinging after his put down of global warming in a closed-door session with journalists.

At that session in January, Lutz described global warming as a "total crock of sh*t".

Lutz now says that GM is committed to hybrids, hydrogen and fuel cells, and the electrification of the automobile. "My thoughts on what has or hasn't been the cause of climate change have nothing to do with the decisions I make to advance the cause of General Motors. My opinions on the subject - like anyone's - are immaterial. Really. The point is not why and how did we get where we are, it's what are we going to do to get where we're going,'' he said on Thursday in his FastLane blog.

He might have convinced a few more people if hadn't used the headline "Talk about a crock".

But then, he works for a company whose products actually contribute to the problem. What do you expect him to say? Still, as Chuck Squatriglia points out in the Wired blog Autopia, Lutz is the force behind the electric Chevrolet Volt.

"As long as Lutz gets that car into showrooms - and he's pretty much made it clear that nothing short of divine intervention is going to keep that from happening by 2010 - we don't care what he thinks about global warming," Squatriglia writes.