Published: Thu, August 09, 2018
Business | By Tara Barton

Suzuki Motor, Mazda, Yamaha admit false emissions data

Suzuki Motor, Mazda, Yamaha admit false emissions data

Mazda Motor Corp. and Yamaha Motor Co. conducted improper fuel-efficiency and emissions tests on their vehicles, the transport ministry said Thursday.

The admissions are the latest in a string of scandals involving data falsification and testing standard breaches in Japan's key auto sector.

The findings were the results of internal investigations ordered at Japanese auto makers by the ministry after improper testing at Subaru Corp and Nissan Motor Co.

Reuters, meanwhile, reported that Suzuki most often inspected vehicles with manipulated emissions data, adding that the company confirmed that nearly half of its 12,819 new auto inspections were improper dating back to 2012.

The automakers examined tests they had conducted over different periods of time, and in Suzuki's case they stretched back to 2012.

Suzuki, Japan's fourth-largest automaker, said that of 12,819 sample cars tested for fuel economy and emissions since June, 2012, around 50 percent had been inspected improperly.

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"Mishandlings found in so many vehicles were a serious problem, and we take it very seriously", Suzuki Motor president Toshihiro Suzuki told a news conference, and apologized to the company's customers and business partners for causing trouble.

Suzuki admitted improper inspections on 6,401 vehicles, or almost half of those subject to sample checking, between 2012 and 2018.

Mazda said there were irregularities in 4 percent of similar inspections on its cars, or just over 70 vehicles.

Suzuki, Mazda and Yamaha said they would take preventive steps, such as changing inspection devices so their staff can not rewrite the data.

Mazda released a statement explaining that "Test data containing speed trace errors was found in 72 cases out of 1472 vehicles tested under the JC08 mode".

The ministry made the results public based on reports from 20 automakers collected as of Wednesday. The transport ministry will change its ministerial ordinance to request automakers save test results of manufactured vehicles and take measures to prevent adjustment of results.

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