A coalition of 10 environmental groups is trying to change the perception that natural gas is cheap or clean.
The Nebraska utility is moving quickly on two new natural gas plants while plans for solar generation lag behind.
A German bioenergy company’s reboot would make ethanol and renewable natural gas, though questions remain about its life-cycle climate and environmental impacts.
One participant, the University of Minnesota at Morris, already uses 100% renewable electricity, but is now looking for options to eliminate its natural gas heating systems.
The team hopes to make anaerobic digestion more efficient and profitable for farmers who convert manure to natural gas.