I heard about this first back in 2008 from billionaire T. Boone Pickens.  He's a geologist, and has worked in the energy field since 1950.  He's trying to get someone to lead the way on his plan in Washington.

He says we have enough natural gas in this country to offset OPEC and basically lower the price of all energy.  Right now, he fuels up his car on $1 a gallon natural gas.

He says all this change could be done in 5 years, just starting with 18 wheelers being converted to natural gas.  That would save a ton.  Check out the video, he's a bright guy.