http://www.cleantech.com/news/people/roger-hill The taxonomy view with a depth of 0. en http://www.cleantech.com/news/1307/arthur-d-little-questions-sustainabili Company plans a new study probing long term economic and political viability of ethanol and biodiesel.<br /> http://www.cleantech.com/news/1307/arthur-d-little-questions-sustainabili#comments Exclusive articles Arthur D. Little Biofuels Roger Hill Mon, 11 Jun 2007 14:01:45 -0400 Dallas Kachan 1307 at http://www.cleantech.com/news