The Economist gets it about right:
On green issues, he is all mood and little substance. He says God wants us to look after the earth, and touts his own use of a flex-fuel car. But he has no serious plan to reduce greenhouse gases. A carbon tax, he claims, sounds too much like a tax. And a cap-and-trade system sounds "a bit like buying indulgences from the ancient church," he told the Wall Street Journal.
Pejman echoes - but much the same could be said of Bush. Here's factcheck.org on Huck's fiscal record. Personally, I prefer big government conservatives who actually tax people. More honest than borrowing from your kids.