Diesel engines vehicle pollution control

The diesel engine has many advantages when used as the power source in heavy transport vehicles, but a disadvantage is the emission of pollutants. As the exhaust emission limits become stricter, the need for more effective emission control systems becomes urgent. 

EPA. Control of air pollution from new motor vehicles heavy-duty engine and vehicle standards and highway diesel fuel sulfur control requirements. Fed. Reg. 2001, 66, 5101-5150. 

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