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June 26, 2006 8:00 AM, EDT

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he Engine Manufacturers Association said a new emissions-testing program for heavy-duty diesel vehicles is nearing completion and will become mandatory for all engine manufacturers next year.

EMA said the program will provide manufacturers a way to prove their engine emissions are within Environmental Protection Agency specifications throughout the life of a vehicle.

“Together with the cleaner engines scheduled for introduction with the 2007 model year, the in-use testing program . . . will help assure that high emissions levels from diesel trucks and buses are truly a thing of the past,” Jed Mandel, EMA president, said in a statement earlier this month.

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