If you've ever traveled to Europe, you might have noticed the different electrical plugs. Here's why European plugs differ ...

Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

Spark plugs help you start gasoline engines and glow plugs do the same in diesel engines. But how do they go about providing ...

Spark plugs come in many different types, but they also have many different heat ranges. Here's what that means, as well as ...

You find yourself in an airport or hotel room in another country, and you really need to charge your phone, camera or game system. But what is that strange-looking outlet? It has round holes! And ...

Ever tried to plug in an appliance, only to realize you had the plug backwards on the first try? Modern outlets use this ...

Chrysler's 5.7-liter HEMI engine is one of the most iconic Mopar engines of all time. A lot of factors contribute to the 5.7 HEMI's power and performance, but one of its most interesting ...

Smart plugs are a handy device that can turn your house high-tech without the big price tag. Here are some of the best uses ...

Many carmakers and charging companies are switching to the Tesla plug for electric vehicles. Why are they doing that, and what will it mean? By Jack Ewing With a push from Congress, automakers and ...