What are low rolling resistance tyres?

When a tyre rotates on the road, it creates friction between rubber and tarmac which is extremely important for inducing grip.

Without such an event, a tyre would just act like a wet soap that gives zero friction.

Therefore, it is said that rolling resistance is very important in a tyre. However, rolling resistance can only work properly if the engine is powerful enough to generate fuel. It is a fact that around 15% is accounted only by the rolling resistance.

Rolling resistance in a Tyres Liverpool can be found with the help of grades in the wet conditions, fuel and noise. These grades are from A to G where A is the best and G is the worst. The rolling resistance can be identified by a symbol of a petrol pump included on a fuel economy measure. A ‘B’ rating in a tyre would deliver good miles per gallon. It is to be noted that a difference between an A and Grating is 8%.

The foremost component in rolling resistance is hysteresis. Hysteresis is a phenomenon which is the prime element to rolling resistance. Tyre deforms their shape when they are rotated. The part of a tyre in contact with the surface changes its shape and return back to its normal state. The energy which is required to define is larger than what is required to return to its original shape. This is hysteresis.

It is the energy loss which occurs as when the tyre rolls. That loss must be overcome by the engine that causes wasted fuel.

The rolling resistance cannot be avoided but can only be minimized. This resistance is caused by hysteresis which is designed by special treads are heat resistant and are made to reduce the loss of energy.

Low rolling resistance tyre indeed enhances the fuel consumption of a vehicle. These tyres are said to be much more fuel-efficient than any other pair of wheels if inflated to correct pressure. However, sometimes one needs to reduce the tyre depth to improve the rolling resistance. This majorly impacts the tread life.

By switching to low resisting tyres, one can safe up to 15% of fuel. This has a huge impact on the environment as well. Less fuel generates less emission which subsequently reduces the pollution levels. Low resistance tyres can also improve efficiency and performance as they give better control and handling options. These tyres are indeed safer and more reliable as compared to any other standard pair of tyres.

How can a tyre be a low rolling resistance?

A tyre can embrace a low rolling resistance quality if special technologies are equipped.

Treads can include the rolling resistance in a tyre. Bulky tread blocks blended with deep treads can make a huge impact on rolling resistance of a tyre. These treads are quite efficient and hard which stays cool when in use and even generate less heat.

Low rolling resistance is widely famous as green tyres as they generally consume less fuel. The only way to reduce the rolling resistance is increasing air pressure. When the pressure is increased, the tyre gets less deformed which results in less energy wastage.

Some famous fuel-efficient tyres—

1. Pirelli Scorpion Verde 4 wheeler

2. Bridgestone Ecopia

3. Michelin energy saver A/S

4. Goodyear Assurance Fuel Max