Mitsubishi Motors Corp. said it manipulated mileage test data for its minicars sold in Japan, resulting in 620,000 vehicles produced in the past three years getting labeled more fuel efficient than they actually are.
The tests overstated fuel efficiency by 5 percent to 10 percent, and Mitsubishi Motors said it’s investigating who’s responsible. The company said the violation may result in the Japanese automaker having to pay back government tax rebates for the vehicles, of which 468,000 were supplied to Nissan Motor Co.
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