Driving hack saves motorists hundreds of pounds and can see you use 40% less fuel
Mr Dyson urged drivers to consider the road conditions before attempting the technique.
His next tip was to slow down and drive within the speed limit as this will boost efficiency and use up less fuel. The penny pincher explained: “Normally peak efficiency for most vehicles is around 50 to 60mph and in cities, you will do less to the gallon."He said that when travelling "under 40mph" Brits should wind down their windows to keep cool, but anything over this can crank the air con up.
Though the catch is to put the recirculation mode on which means it will be cooling the air within your vehicle rather than cooling the hot air from the outside. Other driving tips included reducing the amount of drag on your car by removing unnecessary roof bars, boxes and flags when not using them.The driving hacks come as