91ÊÓƵ

Detroit Diesel Corp. completed its filing with the U.S. Environmental Protection Agency for approval of its 2010 truck engines, the third U.S. engine maker to do so, the company said Sept. 29, adding that it also filed with the California Air Resources Board.

Detroit Diesel Corp. completed its filing with the U.S. Environmental Protection Agency for approval of its 2010 truck engines, the third U.S. engine maker to do so, the company said Sept. 29, adding that it also filed with the California Air Resources Board.

U.S. retail diesel prices dipped again last week as the national average reached $2.601, 2.1 cents lower than the week before, according to the Department of Energy.

The House of Representatives last week approved a three-month extension of the current highway funding law, over the objections of many House Republicans who said the bill was a step toward raising fuel taxes.

Volvo Trucks will begin field tests in Europe next year of heavy trucks powered by bioDME, a biomass fuel the company said has long-term potential to replace 50% of diesel now used in European trucking.

A national retail association and coalition of truckers, shippers, importers and exporters have formed a partnership to improve the air quality in the nation’s ports.

In a letter outlining the trucking industry’s critical need for fuel, American Trucking Associations asked the Department of the Interior to approve offshore drilling leases.

Clean Energy Fuels Corp. will buy BAF Technologies, a supplier of natural gas vehicle systems and conversion technology, for $8.3 million.