Ryan Petersen of Okoboji, Iowa, takes a sample from the beer well of the Green Plains Renewable Energy ethanol plant near Superior, Iowa, when the plant first went online in 2008. The sample is taken ...

Gevo (NASDAQ:GEVO) +10.2% pre-market Monday after saying it was awarded a patent for its ethanol-to-olefins process from the U.S. Patent and Trademark Office. Gevo (GEVO) said its process is designed ...

An international team of scientists has reached a major milestone in sustainable energy research, developing a highly efficient method for converting methane into ethanol. Mechanism for photocatalytic ...

CHICAGO, Oct 3 (Reuters) - At 6-feet-6, Richard Hamilton is taller than the average man, but the president and CEO of energy crop company Ceres, Inc. feels tiny next to the massive grain-free sorghum ...

RUTLAND (AP) -- The Rutland Redevelopment Authority is planning a feasibility study to see if the city could host a plant to make ethanol out of grass or wood chips. Thomas Macaulay, a former state ...