agriculture
Revived Iowa ethanol plant would make RNG to meet demand in California
A German bioenergy company’s reboot would make ethanol and renewable natural gas, though questions remain about its life-cycle climate and environmental impacts.
renewable natural gas
Iowa researchers see wasted potential in agricultural biofuels
The team hopes to make anaerobic digestion more efficient and profitable for farmers who convert manure to natural gas.
Vermont
Vermont dairy farmers hope anaerobic digester can provide financial boost
The project will turn cow manure and food waste into renewable natural gas for use by Middlebury College.
renewable natural gas
Wisconsin biogas gas producer sees potential in thermal renewable credits
Verified thermal energy credits could do for methane capture what renewable energy credits did for wind and solar power.
renewable natural gas
Under new law, Oregon utilities hope to prove potential of renewable natural gas
The state’s largest gas utility plans to invest $30 million a year in a bid to replace 5% of fossil gas by 2024.