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They did it to meet fuel economy numbers. CO2 emitted scales pretty much with fuel burned.
by mikeash 8y ago
They did it to meet fuel economy numbers. CO2 emitted scales pretty much with fuel burned.
- pbhjpbhj 8y agoI may be misremembering, but AFAIR They artificially reduced diesel consumption figures by having the vehicles run different power curves during testing. Meaning they used more fuel, and made more particulate emissions than they claimed to. So they made it look like the cars would use less fuel than they actually did.
- mikeash 8y agoSome searching around reveals a lot of discussion about increased fuel consumption in fixed VWs. For example: https://www.theguardian.com/money/2017/jul/12/drivers-loss-of-power-vw-emissions-fix-class-action https://www.theguardian.com/money/2017/jul/12/drivers-loss-o... VW disputes this but I don’t know if they can be believed.