Renewable Energy Group Biodiesel delivers around 50 percent more miles per gallon than ethanol. REG, an offshoot of an Iowa farm co-op, makes biodiesel from soybeans. It has 40 percent of the market and a distribution deal with Safeway.
|  Editor-at-Large Erick Schonfeld discovers startups with the potential to overturn existing industries or open up entirely new markets. (more)  With companies developing innovative ways to fight global warming, Cree founder John Edmond describes how LED lights are poised to change the way we see things. (more)  |
