The best way to reduce friction in any situation would be to improve your tyres. Slicks will help you go faster but may compromise on grip. Making sure that the tyre is as round as possible during runs also reduces friction. If you see a large portion of the wheel being 'flat' while the car is in motion, it means that a greater area of the tyre is in contact with the ground and hence, there is more friction. Also make sure that the joints between the wheels and the axles are greased so that there's no friction there.
If what you're trying to do is make your car go faster, you could consider working on its aerodynamics. Installing parts that smoothen the flow of air along the body and removing those that disrupt it should show you improved results.
by reducing the mass you reduce the friction, and by reducing the friction reduce the fuel needed to move the car, this applies to all cars not only CO2 cars.
The most common features in modern cars that help to reduce air friction is the streamlined design of the bumpers and spoilers. The streamlined shape of fast cars also helps to reduce drag.
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To reduce air friction.
If friction is zero no one would be able to walk along a street and no vehicles or cars can be driven.
Friction.
Streamlining helps the cars reduce friction, which makes them have better gas mileage and be able to move faster.
No, sand does not reduce friction but increase friction.
aerodynamic exteriors to make them more slippery in the wind.
remove as much space touching the surface which will cause friction.
Lubrication to reduce friction. To increase friction step on the brakes.
yes because when they brake the friction is caused to reduce