If you're not confident that you or the driver can change a flat tire, buy two cans of aerosol tire sealer from any auto parts store (Fix-a-Flat is one well-known brand) and keep them in the vehicle.
China's recently instigated push to go after price fixing and monopolistic ... for $740M in 2013 and Toyo Tires after that, the EU went after exhaust parts makers earlier this year.