Changes

*''[[BREITBART]]'': Massive Explosion at Texas Oil Refinery, Cause Unknown — Residents Told to Shelter in Place].

*''[[BREITBART]]'': Massive Explosion at Texas Oil Refinery, Cause Unknown — Residents Told to Shelter in Place].

:"A massive explosion ripped through the Valero oil refinery in Port Arthur, Texas."

:"A massive explosion ripped through the Valero oil refinery in Port Arthur, Texas."

::Note: The Valero refinery in Port Arthur is ranked as one of the ten largest refineries in the United States and processes the heavy crude from [[Venezuela]].

::Note: The Valero refinery in Port Arthur is ranked as one of the ten largest refineries in the United States and processes the heavy crude from [[Venezuela]]. See: [[Crude_oil#Types]] for how there are hundreds of different types of Crude oil depending on [[sulfur]] content, and how refinery [[infrastructure]] is built to service a particular grade originating from a specific [[geographical]] location.