(Mark Boswell/The Minnesota Star Tribune)
How cellulosic ethanol is made
Here's a look at the process of creating cellulosic ethanol from nonfood sources like corn cobs, corn stalks or grasses.
October 13, 2014 at 9:29PM
Here's a look at the process of creating cellulosic ethanol from nonfood sources like corn cobs, corn stalks or grasses.
