Here's how car speedometers calculate how fast your vehicle is going. And here's why they may not always be accurate.

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 ...

DETROIT (AP) – The speedometer on the Toyota Yaris says the tiny car can go 140 miles per hour. In reality, the bulbous subcompact’s 106-horsepower engine and automatic transmission can’t push it any ...

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, ...

Google Maps has introduced speedometer and speed limits on iOS and CarPlay — more than five years after their debut on Android — to help iPhone users avoid speed ticketing while driving. TechCrunch ...

Knowing your driving speed is extremely important for long drives, a trip to the local market, or just a short weekend getaway. Vehicles have various safety features loaded into them, but one of the ...