Navistar will no longer be able to pay fines to sell EPA 2010 non-compliant engines

Navistar International Corp., the third-biggest U.S. and Canadian maker of truck engines, fell 5.5% after a U.S. appeals court ruled it can no longer pay fines to sell engines that don't comply with 2010 environmental standards.

Mack Trucks Inc. and Volvo Group North America LLC brought the lawsuit.

"We are affected and disagree with the court's ruling," Karen Denning, a spokeswoman for Lisle, Illinois-based Navistar, said in an e-mail. "We will ask for a rehearing."

The company is working with the EPA on its certification and on the final rule, she said.

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