See also:

Gasolines for Cleaner Air
To help contribute to cleaner air, Hyundai recommends you use gasolines treated with detergent additives, which help prevent deposit formation in the engine. These gasolines will help the engine r ...

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 ...

2011 Hyundai Elantra review By Scott Burgess
The very first thing I said to myself when I sat down in the 2011 Hyundai Elantra was "Well, this is going to screw things up." For months, I have been advocating that the best compact c ...