Figure 2: Projected biofuels (gallons/year) production capacity in US. Figure source: Congressional Research Service report number R40155. “Renewable Fuel Standard (RFS) overview and issues” January 23, 2012. The starch based ethanol will saturate at 15 billion gallons/year after 2011 and the amount of cellulosic biofuels production in the US will rise as high as 16 billion gallon/year.