1. It is extremely hard to visually detect a tire that is under inflated.2. Under normal conditions a tire can lose 0.3 to 1.45 psi (20 to 100 mbar) per month 3. If every vehicle in the United States had properly inflated tires, the U.S would save 4 million gallons of gasoline per day, every day. (Source: U.S Department of Transportation)4. An estimated 9% of passenger cars on U.S roadways are driven with at least one worn tire. (Source: NHTSA 61-01, Nov. 2001)5. Tire life (wear) can be reduced by 20% and vehicle fuel costs can increase by 2-3% when a tire`s air pressure is 20% less than the recommended vehicle placard pressure. (Source: Michelin)6. On U.S roadways an estimated 23,000 accidents and 535 fatal accidents annually involve blowouts or flat tires. (Source NHTSA 49 CFR Part 571)7. 41% of road accidents with physical injuries in Germany are linked to tire problems (inflation or wear). (Source DEKRA)8. In France an estimated 4% of road accidents are linked to tire problems (Source: INRETS) while 6% of the accidents on auto routes are due to tire under inflation. (Source: ASF)9. In a recent study in Germany, 75% of vehicles had one or more tires under inflated by 0.2 bar or 2.9 psi. (Source: DEKRA)
