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The average price of diesel fuel in the United States declined 0.1 cent to $1.422 per gallon last week, the Department of Energy reported Monday.

It may take several more months to get a clear picture of the progress refiners are making toward meeting the Environmental Protection Agency’s new standard requiring widespread availability of ultra-low-sulfur diesel fuel by mid-2006, people closely following the issue said. br clear=all>

Chemical Detector Dogs Deployed at Borders, Ports • U.S.: 'High' Chance of Another Terrorist Attack • Thailand Questions New U.S. Port Security Measures • Mayors Seek Federal Security Aid • And more...

Court: Consumers Can Keep Cell Phone Numbers • NHTSA: Vehicle Data Recorders Have Glitches • Airborne Unveils New Tracking Service • Nextel Expanding Wireless Walkie-Talkie Service

Exhaust emissions from about half the Class 8 trucks sold in the first two months of this year exceeded levels that the government required of most diesel-engine manufacturers late last year, thanks mainly to strong sales of Caterpillar and Mercedes-Benz engines, industry and environmental officials said.

Without assurance of a ready supply of the cleanest possible fuel, say the manufacturers of diesel engines, no new engine design alone would be able to reduce nitrogen oxides, hydrocarbons and particulate matter by another 90% or more, which is what the 2007 federal diesel emission standards require..

Wholesale inventories fell 0.1% in April, the first drop in six months and largest decline since October 2002, the Commerce Department said Monday..

Supreme Court to Hear Arguments on Fleet Rules • Canada Likely to Push U.S. to Open Border to Beef • Gasoline Prices Fall Again, Lundberg Says • Hino Targets U.S. Mid-Sized Truck Market • And more...

The United States and Chile signed a free-trade accord on Friday that would eliminate or lower tariffs on as much as 85% of the bilateral trade exchange, which now stands at around $6 billion a year..