National Transportation Safety Board
Federal investigators were looking into the explosion of a leaky Pacific Gas and Electric Co. gas pipeline in Cupertino that damaged a condominium.
The California legislature has passed a bill to require Pacific Gas and Electric Co. and other utilities to install remote-controlled automatic shut-off valves on gas transmission lines.
Federal investigators have concluded that the driver of a San Francisco light rail train blacked out before a crash two years ago that injured dozens of passengers.
Pacific Gas and Electric on Wednesday outlined the steps it would take to ensure the safety of every mile of its gas transmission lines in Northern California.
The San Bruno Fire Department didn’t know about a large gas transmission pipeline before it exploded last September, according to the fire chief.
California regulators said Pacific Gas and Electric Co., owner of the gas pipeline that exploded in San Bruno last year, has a two-month deadline to make sure its records are accurate and up-to-date.
A Pacific Gas & Electric Co. natural gas terminal experienced a power glitch that caused a surge in pressure shortly before a pipeline burst in San Bruno last month, causing a blaze that killed eight people and destroyed dozens of homes, according to a preliminary report released on Wednesday afternoon.