1991-09-01

Present and Future European Exhaust Emission Regulations for Off-Road Diesel Engines 911808

The development of European emission regulations for automotive heavy-duty Diesel engines began in the mid 1970s; the latest modifications to test procedures and standards have been in place since 1988. Presently, the emphasis of the European regulatory activities is in the areas of increasing the stringency of the gaseous standards and developing particulate standards.
For non-automotive industrial engines, test procedures and standards are presently under consideration. Implementation of these requirements is anticipated in a two-stage approach beginning in the mid 1990s.
This paper provides an overview of the present and future European exhaust emission requirements.

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