The 101 ethanol plants in operation nationwide can produce about 4.8 billion gallons a year, including 25 in Iowa with a capacity of nearly 1.6 billion gallons annually. Plants now being expanded or constructed around the nation will add 3 billion gallons of capacity.
The Energy Department this summer issued a "road map" for cellulosic ethanol that calls for replacing 30 percent of the nation's gas usage by 2030, which will require about 60 billion gallons of ethanol.
The Energy Department this summer issued a "road map" for cellulosic ethanol that calls for replacing 30 percent of the nation's gas usage by 2030, which will require about 60 billion gallons of ethanol.