The Detroit Diesel Corporation has seen the results, and has got good news to share with the trucking community. The company's new Series 60 heavy diesel engines recently underwent in-use emissions testing and should be able to meet new, strict EPA standards. The emissions testing process isn't just for freshly-made engines, as the "emissions standards must be demonstrated over the useful life of the engine, which is 435,000 miles for heavy-duty diesel engines." The testing Detroit Diesel did was all voluntary and was conducted on a 2004 Series 60 engine with 360,000 miles on it.
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[Source: Detroit Diesel Corporation]

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