Many owners even consult trusted auto experts, and some begin their search for quality vehicles at places like the best used ...

Here are 2025's most popular questions and answers from The Journal's Car Doctor column, from rotating tires to oil changes.

The Engine Control Module (ECM) is a crucial component in a car, as it acts as the brain that controls various engine functions. It works in conjunction with multiple sensors, wires, and connectors to ...

Engines hum with stories, suspensions whisper secrets from every pothole, and dashboards quietly keep score of the miles ...

The internal combustion engines that power our vehicles have come a long way in the past several decades. Not only have they become more efficient and better for the environment, but car engines have ...

Engineers design modern engines to run in a narrow temperature window where power, efficiency, and emissions all line up. The ...

We here at GM Authority get a lot of questions from owners asking about about the recent L87 GM engine recall, one of the most common of which is what happens when an affected vehicle passes GM’s ...

Reinforcement learning algorithm enables hydraulic power without power switching complications, enabling improved energy ...

Discover how MotoGP Engine Braking works, why it’s vital for control, performance and safety, and how advanced electronics help riders master every corner.