Administration Proposes More Safety Valves for Gas Lines

BILLINGS, Mont. (AP) — The Obama administration moved Wednesday to significantly expand a requirement for utilities to install inexpensive safety valves on gas lines across the nation following deadly fires and explosions going back decades that officials and safety advocates said could have been avoided. The Transportation Department proposal would cover new or replaced natural gas lines serving multi-family dwellings, small businesses and homes not already covered under a 2009 mandate.