Renault is fighting back against claims the Espace has nitrogen oxide emissions up to 25 times higher than allowed under Euro 6 regulations.

Renault is fighting back against claims the Espace has nitrogen oxide emissions up to 25 times higher than allowed under Euro 6 regulations.

In a brief statement, the automaker said the test procedures used by the University of Bern are "not all compliant with European regulations."  The company went on to say the Espace complies with all applicable regulations and will work to fully understand how the tests were conducted.  Renault also suggested the results are unbelievable as the ADAC tested the Espace in August and independently concluded it complied with emission regulations.

The issue centers around a report produced by the controversial German Environmental Relief (DUH) group which claimed an Espace equipped with a 1.6 dCi engine far exceed the allowed amount of nitrogen oxide emissions.  The tests were conducted by the Bern University of Applied Sciences and reportedly included nine individual measurements - eight from the NEDC test cycle and the one in DUH’s own test cycle.

The DUH made similar claims against the Opel Zafira 1.6 CDTi earlier this year but those were quickly disproven as Opel took the unusual step of putting the model on both a two-roller and four-roller test bench to confirm the emissions complied with Euro 6 standards. The company went on to conduct another test in the presence of TÜV Hessen who confirmed the results.  With this information in hand, Opel called DUH's allegations "clearly false and unfounded."

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