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Article | REF: TRP3010 V1

Internal combustion engine traction - Overall architecture

Authors: Pierre CHAPAS, Dominique COIFFET

Publication date: May 10, 2015, Review date: July 1, 2015

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6. Environmental constraints

6.1 Pollutant emissions

The regulations governing gaseous pollutant emissions from diesel engines are becoming increasingly stringent in all countries (see table 3 ). The first consequence, given the lifespan of railway equipment (from 30 to over 40 years), is that older rolling stock does not comply, requiring major modernization and refurbishment operations.

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