Semi-trucks have a lot of gears, but they have a lot of lights as well, and some can have more than others. While those extra lights might look flashy, confusing, or even a little mesmerizing, there's ...

When a semi-truck (ever wonder what the "semi" means?) driver flashes their headlights, they're not just playing around or in a hurry. Those lights are a form of communication on the road, and every ...

Among the many positive aspects of modern vehicle electrical systems is that they allow engineers to use a vehicle’s power to provide lighting almost anywhere in your car or truck. For example, if you ...