"Waste tyres/tires", namely, the tyres/tires have lost their value were replaced or obsoleted, and abandoned by factory. Although scrap tire is classified as "waste product", the potential value of tires is very impressive, it is called "black gold ", a kind of raw materials in the wrong place. The main approaches using waste tires are: tires refurbished, producing reclaimed rubber and powder, renewing energy and pyrolysis.
In the world
Now there are more than 1 billion vehicles, and waste tyres scrapped from the cars have reached 1.4 billion each year. The numbers of waste tires including the scrap tyres from the auto mechanics in special industry can amount to about 1.7 billion, equal to of new tyres. And the waste tires are increasing at 2% to 3% a year, have become the second pollution sources a car in addition to exhaust emission. If the waste tires produced from including motorcycle and other motor vehicle tire, bicycles, electric vehicles, globally, the numbers of waste tyres are actually already more than 2.5 billion.
In recent decades, with the motor vehicles and highway mileage increasing continuously, in our nation the waste tires/tyres are amounting by 10% ~ 30% rapidly.