When you enroll in truck driving school, you will be provided with extensive training over all of the systems of a commercial vehicle. Truck driving schools provide all of the safety and maintenance skills that students need to become smart and safe drivers. One of the essential vehicle systems that you will learn about in truck driving school is a truck’s braking system. Unlike passenger vehicle brakes, commercial trucks rely on a compression or air braking system. This type of brake uses the combustion process of the engine to slow the vehicle down. These brakes are used primarily because commercial trucks are much heavier than passenger vehicles. To get an in depth look at how commercial truck brakes work, you may want to consider enrolling at a truck driving school in Portland. The expert instructors at a truck driving school will provide you with a wealth of knowledge, and your prepare you for a variety of great trucking jobs.