Ordinarily, when there's a leak in an underground natural gas pipeline, the affected section of pipe has to be excavated and replaced. Soon, however, a pipe-inspecting and -repairing modular robot may ...

The exact cause of the natural gas explosion that killed eight people, injured at least 50, and displaced 100 others when it leveled two buildings in East Harlem in March hasn't been determined, but ...

Rhode Island's natural gas distribution system has a troubling percentage of bare steel and iron pipes — outdated materials prone to corrosion and cracking that need to be replaced for the public's ...

A danger buried beneath our streets has resurfaced: thousands of miles of high-risk natural gas pipeline that cause destructive leaks every other day in the United States. In the past decade, more ...

The agency that regulates Massachusetts utility companies has revamped a state program meant to speed up repair of gas pipes for leaks and safety issues. It’s a move that should reduce gas bills and ...