If you can free yourself from the pump and save oil/money why not. My grandfather had a small pickup that ran off propane. Hank Hill wouldve been proud. During WWII the french cabbies ran thier cabs with methane. If you can do it, do it.
I did see the piece on TV, not a big fan of T. Boone, but I believe hes right, we shouldnt box ourselves in with just one commodity. there needs to be alternatives, especially for a free market to work with checks and balances.