Drip gases, and liquid hydrocarbons produced from tar sands, oil sands, gilsonite, and oil shale. Liquids produced at natural gas processing plants are excluded. Crude oil is refined to produce a wide array of petroleum products, including heating oils; gasoline, diesel and jet fuels; lubricants; asphalt; ethane, propane, and butane; and many other products used for their energy or chemical content.
Measure 91 was the third initiative seeking to legalize marijuana for recreational use in Oregon; previous measures were 1986's Measure 5 and 2012's Measure 80 while medical use of marijuana was legalized in Oregon in 1998. Measure 91 passed by approximately 56% to 44%.
Oregon aims to tax legal marijuana less than other states. Carol McAlice Currie, Statesman Journal, Salem, Oregon 1:24 a.m. EDT July 1, 2015. Recreational marijuana becomes legal in Oregon on July 1, 2015.