The national average retail price of diesel fuel fell 1.6 cents to $2.58 a gallon, the Department of Energy said Tuesday.
January 3, 2007Search
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EPA Issues Guidelines for 2010 Engine Emissions
The Environmental Protection Agency issued guidelines to engine manufacturers governing the use of new technology to meet 2010 emission standards. It also said it will approve pollution rules governing railroad emissions in 2007.
January 2, 2007