 Ethanol is currently (as of 2009) priced at 2 to 3 dollars per gallon, while methanol made from natural gas remains at 47 cents per gallon.Presently there are over 60 operating gas stations in California supplying methanol in their pumps.A team of chemical engineers at the University of Arkansas have developed a method for converting common algae into butanol, which can be used as fuel in existing gasoline internal combustible engines.