Type of tyres, tread pattern, air pressure and road surface.

Rolling resistance is the resistance the tire encounters when it meets the ground. In other words, it's the energy the tire uses to gain traction. Simply put, tires with low rolling resistance will use less fuel, reduce CO2 emissions, and increase the car's range. However, some resistance is necessary for the car to have traction.

Rolling resistance is determined by the road surface, the type of tires you have, the number of tires, the tread pattern, and the tire pressure.