Friction is de opposition of motion. if a car is in motion, the friction is said to be reduced because it oppose de movement of the car.
Lubrication is the use of oil and grease to increase friction in a vehicle's moving parts
to reduce friction
Friction has two unpleasant effects: 1) it increases wear and tear, 2) it wastes energy.
Friction is what makes the brakes stop the car.
You can minimize friction in your car (notably in the engine) by always using the lubricating oil and oil level that is recommended by the car manufacturer. Keeping grease points in good condition also helps to reduce friction and wear and tear on moving parts.
A car will have aerodynamic features to reduce forces of friction and drag. A sleek body style will help do this.
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Friction
Friction
We Increase Friction when we are stopping a car, bike or when slowing down to a way up.
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.
Interesting - static friction is greater than moving friction; but if the car is not in a skid, then the part of the tires in contact with the road is not moving ... thus static friction holds in both cases.