Plug-in hybrid vehicles, or PHEVs are increasingly commonplace as more and more automakers embrace electrification gradually. The appeal of electrified vehicles lies mainly in their reduced emissions compared to conventional, pure internal combustion-engined vehicles, as well as their ability to operate in relative silence and better refinement.

With conventional petrol- or diesel-engined vehicles, methods for maximising fuel economy are already somewhat widely known; smoothness is key, especially with acceleration and braking, and anticipating road conditions will certainly help.

In the case of cars with electrified powertrains, the same guidelines also apply, though more complex systems are at work and therefore, there are more parameters to maximise efficiency with. BMW has released this video explaining what can be done operate its plug-in hybrid models to the full potential of efficiency.

Firstly, ensuring that the vehicle is charged as much of the time as possible will maximise electric driving range and therefore reduce petrol consumption, and the vehicle can be programmed from the mobile app to pre-condition the cabin’s temperature before heading out on a journey. This way, the electric drive battery can be dedicated to propelling the vehicle instead of heating or cooling the cabin.

The most efficient way of driving can be summoned in BMW PHEV models through Hybrid Eco Pro mode; the included route assistant indicates when the driver should release the accelerator via a graphic on the instrument cluster, for when the vehicle is approaching reduced speed limit zones, junctions or entrances into towns.

The systems for powertrain will also elect to either coast or employ energy recuperation; the adaptive approach employed aims to enable deceleration in the most efficient way possible, depending on the driving situation. Fascinating? Watch the video below to see the systems in action.

GALLERY: G20 BMW 330e plug-in hybrid