The switch from natural gas to hydrogen for heating and use in heavy industry will require more than passing legislation to fund the transition.

A Pennsylvania judge blocked Gov. Tom Wolf’s effort to enter RGGI, saying the administration’s plan was a tax that lacked required legislative approval.

More than three dozen states have taken sides in a court fight over the EPA's reinstatement of California's strict tailpipe emissions standards.

A group of environmental organizations petitioned the NYPSC to speed up the statewide buildout of charging infrastructure for medium- and heavy-duty EVs.

Kinder Morgan could receive FERC approval in the coming weeks for a new market mechanism that would support expansion of RSG.

Colorado adopted emissions-reduction standards for the oil-and-gas industry based on the amount a company produces.

The Houston Metro set a goal to replace all of its buses and vans with electric vehicles by 2030, a full decade before other major metro transit authorities.

Zero-emission buses, box trucks and tractor trailers have already generated billions in economic activity and created hundreds of thousands of jobs, EDF says.

An appellate court rejected FERC's approval of a natural gas pipeline, saying the commission ignored its own rules on determining the need for the facility.

Hydrogen or renewable natural gas pilot projects will affect ratepayers and should be “rooted out” in rate cases, according to the Environmental Defense Fund.