State and congressional lawmakers moved Tuesday to impose new requirements for automatic or remote-controlled shutoff valves on pipelines after last week’s San Bruno natural gas conflagration raged ...

WASHINGTON, D.C. — Gas feeding the flames devouring a San Bruno neighborhood could have been shut off an hour sooner if PG&E had automatic or remotely controlled shutoff valves on the pipeline that ...

Gov. Jerry Brown decided the fate of several major pieces of legislation Friday, approving measures to ban the importation, possession and sale of shark fins in California, and requiring that gas ...

Federal investigators and state legislators are zeroing in on whether inferior shut-off valves on the natural gas pipeline that exploded last week in San Bruno led to a deadlier, costlier disaster.

A portion of the ruptured pipeline owned by Plains All American Pipeline was excavated and replaced at the site of the May 19 oil spill off Refugio State Beach. At the work site, shown here June 1, ...

The automatic expansion valve (AXV) is similar in construction and appearance to the commonly used thermostatic expansion valve (TXV). However, the metering devices operate much differently. The AXV ...

“A client of mine [says] he rarely hears people complain [about oil pipelines] while wearing a burlap sack and riding a horse,” pipeline integrity consultant Andrew Kendrick noted while discussing the ...

WASHINGTON — Gas feeding the flames devouring a San Bruno neighborhood could have been shut off at least an hour earlier, but PG&E had decided in 2006 that adding automatic or remotely controlled shut ...