Another four car makers have joined the list of those whose diesel cars emit more pollution on the road than in regulatory tests, the issue that has created a massive scandal and major recall for Germany's Volkswagen AG , the Guardian reported Friday. Mercedes-Benz, Honda, Mazda and Mitsubishi vehicles were all found to perform differently on the road than in test conditions, the Guardian said, citing data from Emissions Analytics, who tested the cars. The paper quoted Nick Molden from Emissions Analystics as saying the the issue is systemic across the industry. The report comes after the paper last week reported the same issue was found with cars made by Renault, Nissan, Hyundai, Citroen, Fiat, Volvo and Jeep.
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