Energy

The U.S. Supreme Court on Monday struck down Obama administration efforts to rein in air pollution from power plants, saying the Environmental Protection Agency had improperly failed to consider costs when assessing the appropriateness of its regulations.

Environmentalists are questioning the findings of a study funded by a Kinder Morgan subsidiary that found jobs and energy savings would accrue from a pipeline the company hopes to build.

Analyzing a controversial pipeline that would bring Pennsylvanian natural gas into New Hampshire and Massachusetts, the Beacon Hill Institute found it would bring substantial benefits in construction jobs and lower energy costs to Massachusetts.

Find a need and fill it. Find a product and improve it. Add value and make money doing it. That's Richard Domaleski's strategy for the company he founded in 2012, Worcester-based Mansfield Holdings Group LLC.

Should Massachusetts lift its net-metering cap to help encourage wider adoption of solar energy?

The warmest May in 12 years caused consumers to use more power last month, but it cost them less thanks to low prices for natural gas, according to ISO New England, which monitors the region's power grid.

Cumberland Gulf Group's fuel business, Gulf Oil LP of Framingham, issued a statement Wednesday that did not confirm or deny reports earlier this week that Gulf Oil was being sold to a Boston-area private equity firm.

While the Baker administration maintains the state is poised to hit its solar energy production target even without a change in law, solar industry advocates said lawmakers must take action to keep projects moving.

Planned revisions to the proposed Kinder Morgan gas project mean the proposed pipeline will no longer affect several communities north and east of Worcester.

For the third straight year, Massachusetts ranked second in a ranking of states based on the strength...