Cellulosic Ethanol, Alagae Biodiesel, Hydrogren. When? How much?

$3 a gallon is the tipping point we're already there and then some. there building ethanol plants as fast as the can. All were built with the ability to convert to cellulosic at a later date all the gas is presently E-10 But expect e-85 to become more and more popular. as for when it will be widespread it will be a few years yet. manufacturing has to catch up with demand