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

Modern cars rely on a dense web of sensors to manage everything from fuel delivery to collision avoidance, and when one fails ...

South African engineer Henri Johnson invented the world’s first Doppler radar speed gun specifically for ball tracking in ...

In art, brush marks can be seen as a flaw or the signature of a noted painter. Similarly, what appears to be operational ...

Intel's pitch for Wi-Fi 8 is that it will "just feel better," taking the raw speed of Wi-Fi 7 and adding intelligence to ...

Start with a moment you know. A driver calls in after a fender bump. Nobody was hurt, but words are different on the road ...

Digital Twin of the Ocean is a continuously updated virtual counterpart of the real ocean that exchanges data in real time ...

Precise underwater navigation is critical for autonomous and remotely operated deep-sea vehicles, yet variations in seawater ...

In recent N55 and S55 BMW engines, a spun crank hub is a relatively common issue, and it's often caused by downshifts that ...

Google’s proposal to explore space-based AI infrastructure raises fundamental questions about energy, physics and feasibility ...

There are glaring areas of concern that require immediate attention in 2026 beyond longer-term projects that have come to ...