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Dirty diesels: most polluting cars revealed

Motoring Research Logo By Gavin Braithwaite-Smith of Motoring Research | Slide 1 of 23: Diesel emissions testing carried out by Which? has revealed the worst diesel cars for air pollution. The figures highlight a huge variation across the industry, with the worst offenders emitting up to nine times the level of dangerous pollutants permitted in official tests. Read on to discover more about the dirtiest diesels and how Which? conducted the tests.

The worst diesel cars for air pollution

Diesel emissions testing carried out by Which? has revealed the worst diesel cars for air pollution. The figures highlight a huge variation across the industry, with the worst offenders emitting up to nine times the level of dangerous pollutants permitted in official tests. Read on to discover more about the dirtiest diesels and how Which? conducted the tests.
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