Archive: How 11 million VW TDI diesels cheated emission tests
Posted By RichC on August 18, 2017
Archiving the New York Times article that offers an explanation for those who are still wondering what Volkswagen DieselGate was all about.
The software sensed when the car was being tested and then activated equipment that reduced emissions, United States officials said. But the software turned the equipment down during regular driving, increasing emissions far above legal limits, most likely to save fuel or to improve the car’s torque and acceleration.
The software was modified to adjust components such as catalytic converters or valves used to recycle some of the exhaust gasses. The components are meant to reduce emissions of nitrogen oxide, a pollutant that can cause emphysema, bronchitis and other respiratory diseases.
Which Cars Were Affected?
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