To put this number in perspective: 300B gallons of gasoline is an amount of carbon equivalent to all of the CO2 in the air above all of the earth's land area, u

To put this number in perspective: 300B gallons of gasoline is an amount of carbon equivalent to all of the CO2 in the air above all of the earth's land area, up to an altitude of about 80 feet. If you can pull that off, I'll be impressed; but it seems like a very aggressive target.