1996-10-01

Progress in the Pollutant Reduction of Vehicle Engines 962467

The environment load by traffic has reached limits of reasonableness in many places and metropoles. High mobility and environmental protection however can be equally fulfilled by consistently using latest automobile and engine technology.
Nowadays the mean fuel consumption of new passenger cars equipped with gasoline engines is below 8 L/100 km and with diesel engines below 6 L/100 km.
A 30 - 50 % reduction of fuel consumption within the next 10 years is expected with similar progress for commercial vehicle.
This reduction of fuel consumption is not only important for saving resources, but also for protecting our global climate.
The utmost target for engine development is to minimize both consumption and pollutant emissions.
Effective reduction in classical pollutants for gasoline engines and new technologies such as oxydation Catalyst, De-NOx etc., for diesel engines have placed both power plants promising for passanger car market. To meet diesel exhaust emissions beyond EURO- 3, designers will require to study the suitability of electronic engine management, four valve technology, cooled EGR and exhaust gas aftertreatment methods.

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