New guidance allows engine makers to replace problematic DEF sensors with NOx-based systems, aiming to reduce unnecessary ...

Most drivers think the OBD-II port is only for check engine lights, but the right scanner can unlock live vehicle data and deeper diagnostics.

That 16-pin connector tucked beneath the dashboard of every car built after 1996 is one of the most underused tools available ...

Psychologist Brian Nosek’s latest work indicates that many results in the social sciences don’t stand up to immediate scrutiny. But that’s the beginning of a conversation, not the end, he explains to ...