See also:

Under the Hood
Mazda3 models now offer a choice of engines:   Standard  148-horsepower, 2.0-liter four-cylinder engine that teams with a five-speed manual or five-speed automatic transmission Opt ...

Mazda CX-7 2008 review
Editor's note: For 2008, Mazda has made no significant changes to the CX-7, which debuted as a 2007 model. One bonus for buyers is that the engine has been modified to allow it to run on regular g ...

Emission Control System
Your vehicle is equipped with an emission control system (the catalytic converter is part of this system) that enables your vehicle to comply with existing exhaust emissions requirements. WARNING ...