Category Energy

Shell making ethanol from straw

Shell says this is the first commercial delivery of cellulosic ethanol from a gas station. Cellulosic ethanol has the potential to be huge, as there is plenty of feedstock for it that is currently just being burned or dumped in…

Tidal and wave power is expensive

Tidal and wave power remains a pricey way of creating power. The ocean is a rough place to site energy generation, and then there’s the question of getting the power to shore reliably. Salt, corrosion, and water turbulence takes a…

Microbe that generates methane from electricity

Yes, you read that right. A microbe has been discovered that converts DC electrical current into methane, something which could be super-useful as a way to store renewable energy from wind and solar. What’s more, it converts at 80% efficiency.