I'd personally prefer a simple, low 10 per cent flat tax rate on corporations in this country, and they could spend the money on whatever energy form they please. I would give them a tax break if they stay away from Middle Eastern energy imports, however.
Lower taxes certainly make sense, and without them (and their corresponding economic growth) I don't see how we'll ever repay our record high $9 trillion dollar national debt:
http://www.publicdebt.treas.gov/opd/opdpenny.htm