Apple recently revealed a new version of its CarPlay system for vehicles, which include gauges like speedometers. But even Apple, the company that cast aside tradition when it reinvented phones, music ...

In a modern car, your speedometer might look analog, but it is almost certainly digital and driven by the computer that has to monitor all sorts of things anyway. But how did they work before your car ...

Are automobile speedometers set accurately or just “generally”? I always assumed that a car’s speedometer accurately reflected the driving speed, assuming there is nothing wrong with the speedometer.

Can you rely on the speed that Google Maps or another online speedometer shows you? Here we will clarify doubts about the speed shown by mobile apps. The classic car speedometer measures the rotation ...

In the early days of motoring, there was no nationwide speed limit. This meant that drivers could theoretically reach very high speeds on certain public roads without worrying about tickets. However, ...