Western States Petroleum Association (WSPA) is a non-profit trade association that represents companies that account for the bulk of petroleum exploration, production, refining, transportation and marketing in the six western states of Arizona, California, Hawaii, Nevada, Oregon and Washington.
Additional WSPA locations include offices in Torrance; Santa Barbara; Bakersfield; Scottsdale, Arizona and Olympia, Washington.
[2] Members of the WSPA include Aera Energy LLC, Alaska Tanker Company, Berry Petroleum, BP, Big West of California LLC, Chevron Corporation, ConocoPhillips, ExxonMobil, Lloyd Properties, Navajo Refining Co., Noble Energy, Olympic Pipeline Company, Pacific Operators Offshore, Plains All American, SeaRiver Maritime, Seneca Resources Corp., Shell, Tesoro, U.S. Oil and Refining, Valero Energy Corporation, Venoco, and Western Refining.
[4] The increase happened during a push by WSPA and other oil and gas industry to roll back transportation fuels coming under California's cap-and-trade program under the Global Warming Solutions Act of 2006.
[5] In November 2014, a leaked PowerPoint from Western States Petroleum Association revealed it "activates" and funds front groups that are designed to weaken California's climate change law Global Warming Solutions Act of 2006.