What is the legal noise limit for a car in Arizona? What can you do if neighbor's car is too loud? Here's what Arizona law ...

Across the United States, a crucial piece of emissions equipment has quietly turned into one of the hottest targets for ...

When the check-engine light snaps on, it is not a suggestion, it is your car’s way of saying something in the powertrain or emissions system needs attention. I see it as an early warning system that ...

Catalytic converters are popular with thieves as they’re relatively easy to remove and contain expensive materials such as platinum, palladium, and rhodium. The latter costs around $7,925 per ounce, ...

Q: My 2010 Subaru Forester needs a catalytic converter. The car has a California CARB-compliant cat. I live in Connecticut. Do I have to replace it with a California unit ...

New patent suggests Porsche is looking at repurposing exhaust recirculation systems to clean catalytic converters more ...

Learn how to make your car battery last longer with this expert advice from CR. These simple steps will catch any battery ...

Snow and ice can strain your car. Use this winter maintenance checklist to protect your battery, tires, fluids and visibility ...

The Winona Police Department is offering a reward for help investigating a string of catalytic converter thefts.

Cold weather exposes weak batteries fast. Here’s how to spot the warning signs—and replace it before winter leaves you stuck.

On Thursday, the Department of Transportation announced it has approved the design for the first advanced female crash-test dummy, named THOR-05F. The agency hopes the new dummy will help show how air ...

The National Highway Traffic Safety Administration has approved the specifications of THOR-5F, a female crash test dummy developed by Humanetics. AP Photo / Paul Sancya When a woman gets behind the ...