See also:

Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. Your Mazda will perform best with fu ...

Catalyst that uses single nanotechnology
The MZR 2.0-litre petrol engine underfloor catalyst is the world's first vehicle catalyst to be constructed with single nanotechnology, which controls even finer materials structures than nanotech ...

Mazda3 2009 review
The first-generation Mazda3's viability shows automakers that this is how you do it: Come out with a car that's so competitive when it's new that it's still a good choice years down the line. It a ...