DETROIT – The U.S. government wants Mitsubishi Motors to do more real-world tests on its cars to verify gas mileage estimates.
The Environmental Protection Agency says it wants the tests for all Mitsubishi models sold in the U.S.
Mitsubishi said last week that it lied about fuel economy data for some of its models. On Tuesday it said an internal investigation has found the tampering dated to 1991. The company says its investigation is continuing.
The EPA would not say if it suspects the company of cheating or if the agency is doing its own tests.
Mitsubishi sells five models in the U.S. including three cars and two SUVs.