non-food crops

CoolPlanetBiofuels Draws Google Ventures Investment To Make Gas From Grass

<img src="http://www.crunchbase.com/assets/images/resized/0009/9576/99576v1-max-250x250.jpg" class="shot2"></img> CoolPlanetBiofuels — a company that converts grass, woodchips, and other non-food cr