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

The most common motor style for an electric bike is a hub motor (a motor in the center of the wheel), and we’ve all known for ...

While motorsports don't interest every gearhead, on-track competition tends to bring distinct benefits to performance ...

Achieving precise and reliable drone positioning requires the integration of advanced IMUs with satellite data.

The Oura Ring 4 Ceramic has nothing new under the hood from its predecessor, the regular Oura Ring 4 -- if you could even ...

A research team led by Senior Researcher Chanyong Park, Principal Researcher Dongkyu Lee, and Postdoctoral Researcher Changha ...

Korea's first fully automated diagnostic system capable of simultaneously detecting 16 major foodborne pathogens within one hour has been successfully developed. Compared to conventional testing ...

ROS System, Hospital Drug Delivery Robot, Autonomous Localization, Path Planning, Navigation Simulation Cheng, B. and Zhang, B.Y. (2025) Research on Autonomous Localization and Navigation Simulation ...

Learn how ready-mix concrete plants work, from raw material batching to mixing, quality control, and delivery to construction ...

Discover how professional racing engine diagnostics reveal hidden problems in your car. Expert insights from Miami's advanced auto repair specialists.

Discover the fascinating theories behind how Santa's reindeer accomplish their Christmas Eve task. Learn about their training ...