See also:

Exhaust Emission Control System
The Exhaust Emission Control System is a highly effective system which controls exhaust emissions while maintaining good vehicle performace. ...

2011 Hyundai Sonata Hybrid review
In the world of hybrids, there are two schools of thought: You can buy a Toyota Prius — a hard-core, 50-mpg hybrid with funky styling and a utilitarian interior — or you can pay more and get less- ...

Why didn’t my air bag go off in a collision? (Inflation and non-inflation conditions of the air bag)
There are many types of accidents in which the air bag would not be expected to provide additional protection. These include rear impacts, second or third collisions in multiple impact accidents, ...