How is cellulosic ethanol different from traditional corn-based ethanol?
A. It can be made from the nonfood portions of plants and from wood.
B. It is made from sustainably grown corn.
C. It can be made from used grease and oil from restaurants.
D. It is made from wheat or rice grains instead of corn
Answer: A. It can be made from the nonfood portions of plants and from wood.
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