It needs air to hold the tire so it can roll.
In standard cars is it simply compressed air. The same mixture we breathe.
so you have grip on the road.
Many European cars use 14 inch tires.
No, you need the tires with the air in them to tow it.
Compressed air or compressed nitrogen.
Street cars air (which is manily Oxygen, nitrogen), race cars nitrogen.
Nitrogen It's volume changes less than air as the tires temperature changes.
Fulda Quantum Elite Tires are made in many sizes. You need to determine the size of a cars rims, and the clearance available to determine what cars the tires will fit.
What advantages if correct air pressure is maintained in tyres of bikes and cars.
To make tires inflate you need to put air in them
Most cars take around 32-35psi
Normal air you don't need any special air.