An automobile is at once a relatively simple assembly of parts and something far more complicated. Each bit and piece of a car serves a purpose, many of them serving critical operational functions.

In the past decade or so, automakers have turned to downsized turbocharged engines—often with direct injection and higher compression ratios—to boost efficiency. These fancier power plants tend to ...

Spark plugs play a key role in igniting the air-fuel mixture that enables the engine to transition from cranking to running on its own. Considering the relatively lengthy service life of these small ...

Talk about phallic envy: Vivo has officially pulled the covers off its new X300 Ultra and ZEISS Telephoto Extender accessory. It's large, in your face, quite possibly overpowered, and yes, it is happy ...

Used electric vehicles are poised for a banner year in 2026. More than 300,000 electric vehicle users are expected to end their leases this year, according to car dealer platform CDK Global. That’s a ...

Oxygen sensors detect the amount of oxygen in the exhaust. Oxygen sensors usually don’t have a replacement schedule. A bad oxygen sensor can be diagnosed with a code reader or scan tool. A car’s ...

Spark plug gapping may sound like one of those old-timey chores, like setting breaker points in a distributor or lubricating the frame, but having the proper spark plugs and ensuring they're properly ...

We may receive a commission on purchases made from links. An indispensable part of the gasoline combustion process is spark ignition (provided by spark plugs), which sets off the fuel and air mixture ...

The elimination of the federal EV tax credit last fall dealt a serious blow to the EV market, but we figured the tougher circumstances for electric cars might make hybrids even more appealing to ...

There are many paths on the quest for horsepower. You have the obvious modifications, of course, like installing a turbocharger or a supercharger, but there are ...