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Car Technology Explained

New things happen all the time in the car world and much of the copy reads like techno-babble. Our mission is to make them make sense to you, the buyer.

Disc brakes vs. drum brakes
This article explains the difference between disc (disk) brakes and drum brakes, including how disc brakes and drum brakes work, what advantages disk brakes and drum brakes have, and how to tell if your car has disk brakes, drum brakes or both.

Electronic stability control (ESC)
Electronic stability control (ESC) is a safety feature that can help prevent the driver from losing control of the car. This article gives a layperson's explanation of what electronic stability control is, how ESC works, and why ESC is important.

Direct Fuel Injection
Direct fuel injection promises better fuel efficiency, more power and cleaner emissions for car engines. This article explains what direct fuel injection is and how direct fuel injection works.

CVT - Continuously Variable Transmission
What is a Continuously Variable Transmission (or CVT), how does it work, and what makes the Continuously Variable Transmission (CVT) superior to a conventional automatic transmission? This article explains, in simple terms, what the Continuously Variable Transmission (CVT) is and how it works. By Aaron Gold, your Guide to Cars at About.com.

How Mercedes-Benz BLUETEC Works
A technical tour of the Mercedes-Benz BLUETEC diesel system

Collision Warning, Mitigation and Avoidance Systems
What are collision warning, mitigation, and avoidance systems, and how do they work?

Volkswagen and Audi's Direct Shift Gearbox (DSG)
The six-speed Direct Shift Gearbox (DSG) transmission from Volkswagen and Audi is a self-shifting transmission that overcomes many of the problems with traditional manuals and automatics, and works faster than other sequential manuals. DSG is available on cars such as the Audi A3 and Volkswagen GTI, Jetta GLI, and Golf R32. How the DSG works is...

Adaptive Cruise Control
What is adaptive cruise control, and how does it work?

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