It’s the rough idle no Toyota Prius owner ever wants to hear. When my neighbor heard a “loud, throaty sound” from his ...

Most vehicles need catalytic converters not only so they perform at their best, but also because it's the law. Here's how they work and why they are required.

Lexus has long been J.D. Power's favorite automaker when it comes to reliability, but does Infiniti have claim to the throne?