By Matthew L. Wald and Alexei Barrionuevo
JENNINGS, La. — The sun shone brightly on the crowd gathered at the rusting old oil refinery here, as company officials showed off diagrams explaining how they planned to …

By PAULA LAVIGNE
Iowa may be the nation’s renewable fuels leader, but Iowans won’t see most of the profits from the state’s biofuel plants.

Despite the promising future China still faces tremendous challenges, the biggest among them being uncertainty of oil prices, feedstock supply, and government policies.

L-R: Martin Tobias and John Plaza – (Photo courtesy of Imperium Renewables)
Website: www.imperiumrenewables.com
Founded: 2003
Key People: CEO and chairman Martin Tobias came to the company after a stint with venture capital firm Ignition Partners. He …

Cattle graze on a corn field in South Dakota in a file photo. New technology to make ethanol from crops such as grasses and trees instead of corn could ease price spikes of the grain …