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 ...

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.

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 ...

San Bruno Assemblyman Jerry Hill says PG&E should have installed an automatic shutoff valve for such a large pipeline in such a populated area. "If an appropriate valve had been in place the gas could ...

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The U.S. Dept. of Transportation has proposed a regulation to require automatic shutoff valves or similar technology on new and rebuilt pipelines that carry natural gas and hazardous liquids. Under ...

Since 2022, automatic or remote-control shutoff valves have been required on new hazardous liquid and gas transmission pipelines located in or near populated and environmentally sensitive areas.

An engine is like a safe deposit box with two locks. You can unlock one of these with such keys as carburetors, manifolds and ignition. But you can't open it up and get all the performance you want ...

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 ...