Your fuel economy is getting worse most commonly from underinflated tyres, a clogged air filter, worn spark plugs, a fau ...

Cold starts are the dirtiest moment—Bosch thinks it’s solved them with fire.

How do I turn off the MIL (Malfunction Indicator Light) on the dash of my 2014 Jeep Compass? This light is properly called the Malfunction Indicator Light, so it’s kind of like a check-engine light.

An investigation of nationwide garages by automotive diagnostic specialist Carly has found that drivers are being overcharged up to five times to genuine cost for simple repairs.

From the September 1984 issue of Car and Driver. What we have here is one hell of a nice vehicle for grown-ups. The Peugeot ...

From roof racks to tires, maintenance and driving habits, you can likely save hundreds of dollars per year at the pump.

This re-creation of a spectacular 1934 one-off built for Edsel Ford has carbon-fiber bodywork and a Coyote V-8.

That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available to everyday drivers. Most people encounter the OBD-II port only when a ...

The check engine light is the worst kind of message. It tells you something is wrong without telling you what, and the dealership will happily charge a ...

Georgia drivers in select counties must pass emissions testing before renewing registration. Learn requirements and more.

MIT's new device uses light to measure blood sugar levels without any needles, and a wearable version is already in the works ...

An electrochemical sensor developed at Oregon State University holds promise for making food quality testing faster, more ...