IT REALLY IS THE 1970s ALL OVER AGAIN: Coming soon: Downsized engines? “Engine downsizing is considered an effective method for reducing emissions and improving fuel efficiency and that’s precisely why many automakers have developed smaller mills to replace older, larger motors. Kia, Volkswagen, Fiat, Audi and many others already announced their intentions to introduce downsized engines in upcoming models. We can now add Volvo to the ranks of automakers developing new low-displacement mills.”