Some searching around reveals a lot of discussion about increased fuel consumption in fixed VWs. For example: https://www.theguardian.com/money/2017/jul/12/driv

Some 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.