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In a sweeping decision with possible national implications, the Environmental Protection Agency has granted California a waiver that will allow state environmental regulators to implement stringent new heavy-duty vehicle and engine onboard diagnostics requirements for 2010 engines and beyond.

The Federal Motor Carrier Safety Administration has sent a final rule linking the driver certification to the commercial license, and a proposed rule creating a national registry of doctors qualified to certify drivers to the White House Office of Management and Budget.

HOUSTON — Dennis Shirar, a 51-year-old driver for Heritage Transport, Indianapolis, earned the title of Grand Champion at the 2008 National Truck Driving Championships.

Dennis Shirar, a driver with Indianapolis-based Heritage Transport who has driven 3 million accident-free miles, was named the 2008 National Truck Driving Grand Champion, American Trucking Associations said.

The annual National Truck Driver Association Week began Sunday and will run through Saturday, American Trucking Associations said.

Canadian transportation firm Mullen Group Income Fund’s second-quarter profit rose to C$19.9 million, or 25 cents a unit, from C$16.6 million, or 21 cents, a year ago.

The Columbia River Crossing between Portland, Ore., and Vancouver, Wash., has received national priority status from the White House to expedite the project, the U.S. Department of Transportation said late Tuesday.

Transportation and third-party logistics firm C.H. Robinson Worldwide said Monday it has acquired Transera International Holdings Ltd., a project forwarding company based in Calgary, Alberta, Canada.

The national average retail price of diesel fell 11.5 cents to $4.603 a gallon last week, the largest one-week drop in nearly two years and the second consecutive weekly decline, the Department of Energy reported.