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Former American Trucking Associations chairman Patrick Quinn, an executive of U.S. Xpress Enterprises, has returned to a leadership role with the federation, succeeding Robert Davidson as the organization’s treasurer on Dec. 7 for a 10-month term.

Donaldson Co., a manufacturer of filtration systems, said Monday it is spending $5 million to enable one of its plants to manufacture parts that comply with the Environmental Protection Agency’s 2010 diesel emission standards.

WASHINGTON — The Federal Motor Carrier Safety Administration is preparing to propose requiring “a much larger population of carriers” to use electronic onboard recorders to monitor driver hours-of-service than it earlier envisioned, an agency official said.

Charles “Shorty” Whittington, immediate past chairman of American Trucking Associations, was among the officials who stressed to the Obama administration the importance of investing in the nation’s roads and bridges during the president’s recent Washington jobs summit.

The California Air Resources Board last week began to look into changing the state’s diesel emissions rule, which could give truckers hit by the recession more “flexibility” or even partial delays of one or two years in complying.

President Obama has nominated David Strickland to be the next administrator of the National Highway Traffic Safety Administration, the White House announced.

The U.S. Environmental Protection Agency last week declared that greenhouse gas emissions from vehicles and industrial facilities are a danger to human health, a first step the agency must take along the path to regulations limiting the levels of combustion by-products from tailpipes.