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Labor Day weekend will bring the 2000 summer driving season to a close, and it has been an expensive one for America’s car owners. Federal environmental regulations have added considerably to this year’s surge in the price of gasoline, and several pending measures threaten to place future burdens on the driving public. These rules are largely unnecessary—the air has gotten cleaner and will continue to do so regardless of government efforts to micromanage motor-fuel content. Congress should place limits on the Environmental Protection Agency’s broad authority to regulate fuel supplies.
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Background. For the first time since the 1970s, the high cost of gasoline is a major issue, particularly in the upper Midwest where prices exceeded $2.00 per gallon throughout June and early July. The gas crunch of 2000 differs from those in the past in one key respect: Clean Air Act regulations have now emerged as a substantial contributor to motor-fuel prices. Most recently, new EPA requirements for reformulated gasoline (RFG) added 25 to 34 cents per gallon to the record-setting prices in Chicago and Milwaukee, according to a Congressional Research Service report. 
The Midwest price spike has since subsided, but the US Energy Information Administration (EIA) predicts that EPA’s complicated maze of fuel regulations has set the stage for recurrences.  Other pending rules may make matters worse in the years ahead.
Gasoline Prices: Why So High in 2000? Several factors have combined to raise gas prices throughout the country thus far this year. The price of oil, which stayed under $15 per barrel for most of 1998 and 1999, has jumped to $30 per barrel, due to tighter OPEC production quotas and increased worldwide demand. This oil-price rise alone has added approximately 48 cents per gallon to the 1999 price.  In this regard, the recent price runups resemble the oil shocks of the 1970s. Early-summer outages of two pipelines serving the Midwest added another 25 cents per gallon there. 
But environmental regulations are also affecting gas prices. Under the 1990 Amendments to the Clean Air Act, the 10 smoggiest metropolitan areas, comprising nearly one-third of the nation’s population, are required to use RFG, designed to reduce ozone. On June 1, 2000, tough new EPA regulations for RFG took effect.
Among other requirements, RFG must contain 2 percent oxygen content by weight. This federal mandate necessitates the addition of so-called oxygenates, either methyl tertiary butyl ether (MTBE) or ethanol. Most of the nation’s RFG uses MTBE, which is currently under attack for contaminating groundwater supplies.  This type of RFG typically costs two to eight cents more per gallon than conventional gasoline. 
In the Midwestern areas where RFG is required, ethanol is used instead of MTBE. Initial difficulties in producing and distributing sufficient supplies of this unique type of fuel added greatly to the price spike in Chicago and Milwaukee this year. 
Many more fuel rules are in the works. EPA is in the process of promulgating tough new standards for sulfur in gasoline and diesel fuel. These standards are likely to raise fuel costs, and increase the potential for supply problems.  A recently proposed rule would set new limits on benzene in gasoline, and EPA stated that it may target any of 21 other trace constituents in the future.  Indeed, the statutory authority granted EPA to regulate the composition of motor fuels is very open-ended, allowing the agency to continue adding new rules while keeping existing ones in place. 
Beyond raising the overall price of gasoline, the balkanizing effect of so many state- and region-specific fuel requirements has also created supply problems. Ten years ago, a localized shortage like that in Chicago and Milwaukee would have quickly ended with an influx of gas from elsewhere. But today, the rest of the country doesn’t make the kind of gasoline used there, thus the supply-demand imbalance lingered for well over a month. Similarly, large price runups in California in 1999 were caused by a few refinery outages there, but exacerbated by the uniqueness of California gasoline. EIA believes that “the proliferation of clean fuel requirements over the last decade has complicated petroleum logistics,” and warns that “additional clean fuels programs could make the system more vulnerable to local shortages and price spikes.” 
Other rules have affected gasoline supplies in less direct ways. For example, EPA’s aggressive implementation of the New Source Review (NSR) program has made it very difficult to build new refineries, or even upgrade existing ones. In fact, the newest US refinery was built in the 1970s. According to EIA “the US refinery system has little excess capacity, and continuing growth in the number of distinct gasoline types that must be delivered to different locations increases the potential for temporary supply disruptions and increased volatility.” 
Where to Go from Here. The Clean Air Act is overdue for reauthorization, and there is much to review. Ten years after the sweeping 1990 amendments to the Act, it is clear that the RFG program has been unsuccessful, and that other pending motor-fuel rules have the potential to do more consumer harm than environmental good. Perhaps it is time for Congress to revamp or eliminate the RFG requirements, and place limits on EPA’s ability to enact further fuel rules, lest $2.00-per-gallon gasoline becomes commonplace.
  Lawrence Kumins, Midwest Gasoline Prices: A Review of Recent Market Developments, Congressional Research Service, June 28, 2000.
  Testimony of John Cook, Director of Petroleum Division, Energy Information Administration, before the Senate Committee on Energy and Natural Resources, July 13, 2000.
  Kumins, p. 1.
  Ibid., p. 2.
  MTBE is being phased out in several states, and numerous pending Congressional bills would do the same nationally.
  Kumins, p. 2.
  Kumins, pp. 1-2; Cook Testimony; Energy Information Administration, Supply of Chicago/Milwaukee Gasoline: Spring 2000, August 9, 2000; Chicago Sun-Times, “Jump at Pump Fueling a Hot Debate,” June 18, 2000.
  Environmental Protection Agency, Guide on Federal and State RVP Standards for Conventional Gasoline Only (March 2000).
  See Energy Information Administration, Retail Gasoline Prices, updated weekly.
  National Petroleum Council, U.S. Petroleum Refining: Assuring the Adequacy and Affordability of Cleaner Fuels, working draft, June 20, 2000.
  Environmental Protection Agency, Regulatory Announcement: Control of Emissions of Hazardous Air Pollutants from Mobile Sources (July 2000).
  Clean Air Act, 42 USC § 211(c)(“The Administrator may, from time to time…control or prohibit…any fuel or fuel additive…if in the judgment of the Administrator any emission product of such fuel or fuel additive causes, or contributes, to air pollution which may reasonably be anticipated to endanger the public health or welfare…”).
  Energy Information Administration, Demand and Price Outlook for Phase 2 Reformulated Gasoline, 2000, April 7, 1999.
  Cook Testimony.
  Joseph L. Bast and Jay Lehr, The Increasing Sustainability of Cars, Trucks, and the Internal Combustion Engine, Heartland Institute, June 22, 2000.
  National Research Council, Ozone Forming Potential of Reformulated Gasoline, 1999, p. 4.