...Lives Per Gallon author Terry Tamminen says,
"Americans subsidize the oil and auto industry to the tune of about $6
or more for every gallon of gasoline sold, making the real price at the
pump $10 per gallon."
Tamminen also says it's
difficult for "alternative fuels to compete against such massive
subsidies, until mass-production of alternative fuels (and vehicles
that use them) can bring the price down...LINK