Another one for our OILey friends. Link to complete article at the bottom.
Particularly like this part.
"A vehicle such as the ones GM will offer can save a driver $6,000 to $10,000 in fuel costs over a three-year period because CNG is cheaper than gasoline, Joyce Mattman, director of GM commercial product and specialty vehicles, said before the announcement. “It helps our fleet customers with their total cost of ownership,” Mattman said. “CNG is unique in that it’s not attached to the price of oil, so over time it’s maintained a lower retail price than both gasoline and diesel fuels.”