If you want to know more than one thing, you need more than one sensor. In fact, many engines today have not just two oxygen sensors, but four.

Your vehicle's O2 sensor plays a significant role in its performance and if it's faulty, it's not something you should ignore. Here's what you need to know.

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

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

Consult your vehicle's maintenance minder or manufacturer's guide for transmission fluid change intervals. Washing your car in freezing temperatures can cause doors, locks, and brakes to freeze shut.

The most reliable and affordable used hybrid SUVs under $20,000: the 2016-2018 Toyota RAV4 Hybrid.

The middle child is out. For years, Samsung has stuck to its holy trinity formula for the Galaxy S lineup: the regular, the Plus, and the top – tier Ultra (formerly known as “we killed the Note but ...

In the United States, every automatic garage door must have a reversal system that stops the door if something is in its path ...

In this issue of our environmental newsletter, we look at a technology to charge an EV in five minutes; check out the beaches ...

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 ...

The improved second-generation versions of Apple's ubiquitous trackers expand their range and add other features. Here's how ...