Methane | featured news

...The U.S. Department of Energy and industry partners over two winters drilled into a reservoir of methane hydrate, which looks like ice but burns like a candle if a match warms its molecules. There is little need now for methane, the main ingredient of natural gas. With the boom in production from hydraulic fracturing, the United States is awash in natural gas for the near future and is considering exporting it, but the DOE wants to be ready with methane if there's a need.

Towards the end of 2011 a large and hugely expensive robotic rover called Curiosity is due to blast off for Mars from Cape Canaveral. If it makes it safely to the planet’s surface in August 2012 one of the first things it will do is sniff the air. Its creators, back on Earth, will be straining to see if that air carries a whiff of methane.

Air-quality rules in the region leave dairy farmers facing costly changes to generators used to burn methane to produce power. Some have put their renewable-energy plans on hold.

Central California is home to nearly 1.6 million dairy cows and their manure -- up to 192 million pounds per day.