No. Vulcanized rubber (usually artificial rubber) is very difficult to reprocess. This is why there are many millions of trashed tires accumulating in areas of the US and elsewhere. Sometimes they are burned, or shredded to use in various products. Or they may be used to form artificial reefs. But this occurs for only a small fraction of used tires. Most are left to slowly biodegrade over hundreds of years.
Many types of plastic can be remelted and remolded.
Yes. Many people purchase used truck tires. You should always check the tires yourself before you buy them to make sure the tread isn't worn down.
The pyrolysis method for recycling of used tires is an innovation technique that uses a special mechanism to heat the used tires in a closed, oxygen free environment - a stove to melt down the tires into the materials that there were made of. http://en.wikipedia.org/wiki/Tire_recycling#Tire_Pyrolysis
Tires are changed during an auto race because the tires get worn down by the track. It is safer to have good tires than to have tires that are worn down that could blow apart and cause accidents.
Winter tires are for use predominately in the snow and All-season tires are exactly that meant to be used all year around. You will not get as good a traction on snow with the All-season tires as you would with the winter ones but the decision comes down to what part of the country you are in and how much snow you get.
They will have listings on craigslist for used tires.
Yes, you can purchase used tractor tires, and do not need to buy new tires. Online, you can purchase used tractor tires at www.usedfarmequipment.net.
They keep the tires on the road. with out them the tires would bounce up and down as you drive down the road.
Where there are new tires, there are used tires. Automotive departments take old tires and restore them or keep the tires in a decent condition and sell them at a much more affordable price.
On average, there are about 100-120 used tires in a ton. This can vary based on the size and weight of the tires.
Buying used tires can be tricky. You will wnat to buy matching tires if possible.
Some uses would to melt them down and reuse them as the black bits of a running track. Sometimes the recycled tires can be used for shoes and other rubber materials.