Emissions scandal: In light of Volkswagen's situation, have any other manufacturers been identified as doing something similar?

In light of Volkswagen's situation, have any other manufacturers been identified as doing someting similar?

Asked on 26 September 2015 by eeny45

Answered by Honest John
Not yet. But all cars are "optimised" for all emissions lab tests, whether for NOx or for CO2. The difference is that the VAG software detected the car was being tested and optimised everything solely for the tests, switching off various emissions controls when the car was being used normally.
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