Critical Petroleum-Related Events and U. S. Refiner Acquisition Costs 1970 - 2000 graph Energy Information Administration Logo. If you need assistance viewing this page, please call (202) 586-8800 Clean Air Act Amendments of 1970 Arab Oil Embargo of 1973 Emergency Petroleum Allocation Act of 1973 Energy Policy and Conservation Act of 1975 Department of Energy Organization Act of 1977 Airline Deregulation Act of 1978 Powerplant and Industrial Fuel Use Act of 1978 Iranian Revolution Petroleum Price and Allocation Decontrol in 1981 Crude Oil Price Collapse of 1986 Reid Vapor Pressure Regulations of 1989 and 1992 Reid Vapor Pressure Regulations of 1989 and 1992 Valdez Oil Spill of 1989 Clean Air Act Amendments of 1990 Persian Gulf Crisis of 1990-1991 Oil Pollution Liability and Compensation Act of 1990 Dissolution of the Soviet Union in 1991 The Energy Policy Act of 1992 Phased Reduction in Vehicle Emissions 1992 - 2000