People thought the hardy Jatropha tree was the answer to the food vs. fuel debate, until it wasn't. Financial hard times and a misunderstanding revealed this biofuel to be like all the rest 鈥� in need of good food and water.

Two Colorado companies are being awarded part of a larger federal grant to develop biofuels from trees. This week, Lakewood-based ZeaChem announced it is鈥�

A few years ago, the concept of making alternative fuels from algae was all the rage. But the idea seemed to fade quickly. 皇冠网址鈥檚 Erin O鈥橳oole talks with鈥�