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As concerns rise over plans to pipe Canadian tar sands oil to the East Coast for the first time, a dormant effort to clean up the region's fuels is showing new signs of life.The Northeast...
In late December, the Environmental Protection Agency drafted a set of rules that would force petroleum refiners to reduce the amount of sulfur in gasoline by two-thirds. That change...
When the California Air Resources Board considers regulatory amendments to the state's new Low Carbon Fuel Standard today, it must take into account new information that paints a very...