Verenium is turning sugarcane into ethanol at this plant in Louisiana. Learn about the process and the challenges of trying to produce large quantities of biofuel
A horde of startups have smart ideas. But the challenges are many, and the winners likely will be Shell, BP, DuPont, and other majors
As corn-based ethanol hits roadblocks, all eyes are turning to advanced biofuels. These, too, face difficult challenges, but that's not stopping a host of startups
Rising corn prices and slack demand have hurt producers. And biofuel makers face a limit on how much ethanol can be blended with gas
The oil giant has slowed its renewable energy efforts in wind and solar power. But it is stepping up investments in next-generation biofuels made from non-crop plants
One startup, Amyris, hopes to make fuels and feedstocks that are highly profitable even with $50-a-barrel oil
In this field, it's smarter and safer to bet on the big guys, such as Archer Daniels or DuPont
As our 13th annual ranking of the BW 50 shows, innovation is still alive and well—vital, even—among America's largest companies