DELAWARE CITY, Del. (AP) - An operational error at the Delaware City Refinery triggered the flare system, sending flames shooting into the air. The incident occurred ...

State officials are investigating smoke flared from the Wyoming Refining Co. refinery in Newcastle on Sunday afternoon, using a flare system that got the refinery in trouble with state regulators last ...

Flaring from Chevron’s El Segundo oil refinery lit up the sky recently to relieve pressure at the plant after a piece of equipment had problems. The flare system burned off gas after 8 p.m. Sunday, ...

Damaged equipment at the Torrance Refinery — owned by PBF Energy and operated by the Torrance Refining Company — is responsible for a three-day unplanned flaring event last week, the region’s air ...