Renault and Jeep diesels are biggest polluters, study finds



Diesel-engined Jeeps and Renaults can produce nine times the legal limit for nitrogen oxide emissions, according to research from Which?.

The consumer organisation tested 16 diesel-powered Renaults, and found that all of them were emitting up to nine times more harmful nitrogen oxide (NOx) than the Euro 6 limit of 0.72g/km.

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