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Chapter 5: Conclusions

There is no simple solution to Hong Kong’s waste tyre problem; therefore several

steps are proposed in order to alleviate the waste tyre problem. Through analysis of

methods and systems used in other countries and the data gathered in Hong Kong we

suggest the following steps be taken to aid Hong Kong in its goal of reducing tyre

waste.

  • 1.

    Maintain vehicles and tyres to extend tyre life.

  • 2.

    Create monofills for waste tyres and ban tyres from landfills.

  • 3.

    Levy a tax on new tyres.

  • 4.

    Use rubberized asphalt.

  • 5.

    Maximize the use of retreaded tyres.

If the Environment, Transportation, and Works Bureau, were to require more

frequent inspections on all passenger cars, not merely cars that are older than six

years, then the wear to tyres could be reduced by maintaining wheel alignment. Taxi

cars should be inspected at least once a year due to their extensive use. The new

inspections would force people to better maintain their vehicles and tyres, prolonging

their life. Private vehicles comprise sixty percent of all the vehicles in Hong Kong so

despite the fact that private cars are not driven as many miles as trucks and buses, the

scrap tyres that they generate annually is not negligible. Many truck and bus

companies already use retreaded tyres, so the only way to reduce the number of tyres

being dumped into the landfills is through reducing the number of private tyres being

dumped.

Creating monofills of tyres is essential to scrap tyre reclamation and recycling.

Currently most waste tyres in Hong Kong are mixed in landfills with all other waste;

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