Pages and pages have been archived about tire pressures, load-inflation charts, overloading, under-inflation, etc.; which, according to the RMA=Rubber Manufacturers Association,
causes over 90% of all tire failures.
Without attempting to rehash years of discussions, now there appears to be solutions on the horizon. This is new technology that monitors tire wear, monitors tire overloading, as well as monitoring tire pressure. Read more here: Tire software tells you when tread has worn out - MSN Autos