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LOUISVILLE, Ky. — Two manufacturers of lighting products for trucks moved in different directions at the Mid-America Trucking Show here, with Truck Lite rolling out round, white LED headlamps and Grote Industries offering thousands of tiny points of colored light. Both debuted March 18.

American Trucking Associations is reorganizing its Safety & Loss Prevention Management Council and Security Council to form two new councils.

The Environmental Protection Agency has asked that an emissions control area be created along the United States’ coastline to reduce what officials say are harmful emissions from ships.

LOUISVILLE, Ky. — The two largest North American manufacturers of trailer refrigerated units each introduced updated product lines with an emphasis on hybrid power at the Mid-America Trucking Show here.

Diesel engine maker Cummins Inc. said it will consolidate turbocharger operations at two South Caroline plants and may cut jobs in the unit later this year.

Passage of this legislation — the Employee Free Choice Act, also known as “card check” — would further erode American business competitiveness in the global marketplace.

The Treasury Department’s $5 billion program to help cash-strapped auto suppliers will benefit carriers that haul both parts and finished vehicles for automakers, trucking officials said.

The Environmental Protection Agency is poised to declare that greenhouse gas emissions endanger the public’s health and welfare — a move that could accelerate government rulemaking related to air quality.

LOUISVILLE, Ky. — Companies from China and Taiwan, including China’s largest truck manufacturer, formed the biggest foreign contingent at the Mid-America Trucking Show here for the second year in a row, seeing the show as a good way to enter the U.S. market.