See also:

Substantially reduced road and wind noise
Many improvements were made to structural rigidity and powertrain NVH performance to provide a quieter, more pleasant ride, including the reduction of high frequency booming noise sometimes heard ...

Environmental Efforts - 95 percent Recyclable
The Mazda CX-7 facelift reflects Mazda's ongoing efforts to build cars in a way that has less negative effect on the environment. This begins at Mazda assembly plants in Japan, which were ISO 1400 ...

Rocking the Vehicle]
WARNING: Do not spin the wheels at more than 56 km/h (35 mph), and do not allow anyone to stand behind a wheel when pushing the vehicle: When the vehicle is stuck, spinning the wheels at high sp ...