See also:

Tire Quality Grading
Department of Transportation quality grades - All passenger vehicle tires must conform to Federal motor vehicle Safety Standards in addition to these grades. These quality grades are molded on the ...

NEW TECHNOLOGY AND FEATURES
Hyundai Genesis 3.8 Standard Equipment - 2012 Genesis also will increase its impressive list of standard equipment, adding headlight LED accents and daytime running lights (DRLs) and outside mirro ...

1. Crankcase emission control system
The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies fresh filtered air to the crankcase th ...