"As gasoline prices soared in recent months to $2 a gallon and beyond, it was not long before the question was asked: Are environmental regulations to blame? Is that why no new refineries have been built?
Industry executives argue that the cost of making cleaner fuel and reducing refinery emissions has diverted billions of dollars of capital that might have gone to expand refinery capacity or build new plants. But they also concede there are many other reasons that not a single new U.S. refinery has been built in the last 28 years.
And industry leaders agree with health advocates and environmentalists that there is no clear evidence that new clean fuel requirements and other environmental regulations had anything beyond a minimal — if that — role in the rapid run-up of gasoline prices this year.
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As for the recent run-up in gas prices, Holmstead said there is no evidence that requirements for cleaner gasoline or gasoline where MTBE — an additive that contaminates groundwater — had to be replaced had increased in price more than conventional fuel. "The price increase was essentially the same," Holmstead said."
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http://www.enn.com/news/2004-07-28/s_26251.asp