See also:

Uniform Tire Quality Grading System (UTQGS)
This information relates to the tire grading system developed by the U.S. National Highway Traffic Safety Administration for grading tires by tread wear, traction, and temperature performance. ...

Single-Nano Technology Catalyst for all Petrol Engines
Part of the eco-evolution of Mazda powertrains includes the introduction of a unique catalyst developed by Mazda for its petrol engines. Traditional catalysts have precious metals that cause chemi ...

Specifications
Engine Electrical System *1 ex factory NOTE: When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. ...