Truck Officials Wrestle With In-Cab Systems for Monitoring Sophisticated Diesel Engines

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Engine manufacturers and trucking officials said they recognize the need for onboard diagnostic systems to monitor the performance of emission-treatment systems because diesel engines are growing in complexity.The Environmental Protection Agency last month proposed requiring engine manufacturers to begin phasing in onboard diagnostic reporting on trucks starting in 2010. (Click here for previous coverage.)The devices would monitor the more complex truck emission control systems required by the agency by scanning particulate filters, catalytic converters and other emission-treatment systems for possible malfunctions.For the full story, see the Jan. 1 print edition of Transport Topics. Subscribe today.