PureWest Energy, formerly Ultra Petroleum, could become the first producer to sell gas certified as having been produced from net-zero carbon wells.

The juxtaposition of a mild weather against a tightening supply-demand outlook brought about another volatile week for natural gas futures.

US natural gas futures tumbled into the weekend, capping another volatile week.

Previous days' difference from the 5-year degree day average in key US population centers.

Today's weather forecast.

Gas equivalent of solar and wind generation reported by Caiso and Ercot.

Gas equivalent of offline nuclear capacity reported by the US Nuclear Regulatory Commission.

Daily spot electricity prices at key US trading hubs.

US gas futures tumbled Friday, with the November gas contract down 27.7¢ to $5.41 per million Btu.

Air Products announced plans to build a $4.5 billion blue hydrogen complex in Louisiana.