"Wednesday is biofuel's big moment: The first of three commercial-scale cellulosic ethanol plants comes online in Iowa. It took years of tricky engineering to get to this point. But that may prove the easy part, for the fuel's promise as a climate solution hinges heavily on federal policy."
Marianne Lavelle reports for the Daily Climate Septemberr 3, 2014.
Source: Daily Climate, 09/04/2014