1. Life-cycle assessment of mineral and rapeseed oil in mobile hydraulic systems;McManus;J Industrial Ecol,2004
2. The growth of biofuels in the 21st century: policy drivers and market challenges;Ackrill,2014
3. Bring on the right biofuels;Cohen,2008
4. EPA comments. We note that it is difficult to find overblown statements in support of biofuels in the popular press; such comments are found primarily in company press releases and investor statements, and in public comments on proposed regulations.
5. Rising food prices? Can't blame ethanol.;Block,2011