Japan’s transport ministry has ordered carmakers to investigate whether their diesel vehicles meet the country’s emission norms after Volkswagen AG’s admitted to rigging some cars to cheat on U.S. tests.
The ministry has asked carmakers including Toyota Motor Corp., Mazda Motor Corp. and Volkswagen to submit reports of their probes by the end of this week, Transport Minister Akihiro Ohta told reporters in Tokyo on Tuesday. The government is considering changing the method it uses to test diesel engines, Ohta said, without being more specific.
Japan joins South Korea, France and the U.K. among countries investigating compliance by carmakers after Volkswagen’s revelation that it used software that obfuscates how much its diesel-engine cars pollute. It led to the carmaker’s former Chief Executive Officer Martin Winterkorn stepping down and the company’s market value plunging 27 billion euros ($30.4 billion).
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