Driving and charging habits vary widely and we already know that the various test cycles are either badly designed or simply a good faith best effort to replicate driving patterns. Buying a PHEV and never plugging it in, with a heavy foot, or using it exclusively for highway driving, will of course drive up the petrol consumption. This shouldn’t be a surprise. They’re better than a non-EV.

They’re especially good for people who do a lot of city driving and for many commuters too.