See also:

3. Exhaust emission control system
The Exhaust Emission Control System is a highly effective system which controls exhaust emissions while maintaining good vehicle performance. Vehicle modifications This vehicle should not be modif ...

Exterior
When you think subcompact, interesting design doesn't immediately come to mind. Look at cars like the Yaris, Fit and Nissan Versa, and you won't be wowed. Buyers in this segment have been basicall ...

2. Evaporative emission control (including ORVR: Onboard Refueling Vapor Recovery) system
The Evaporative Emission Control System is designed to prevent fuel vapors from escaping into the atmosphere. (The ORVR system is designed to allow the vapors from the fuel tank to be loaded into ...