When a car’s air conditioning system fails, the driving experience can suffer significantly, especially during the hot months. A functional AC system is essential for comfort and can even be ...

When your car air conditioning blows hot air, the system is failing at one of three jobs: moving refrigerant, shedding heat, ...

Spark plugs deliver a jolt of electricity to start ignition in gasoline engines. Glow plugs warm diesel engines so that their fuel will auto-ignite.

During car maintenance, many people often overlook cleaning the exhaust gas recirculation system, but this is an indirect ...

Few things draw the ire of car people like piped-in exhaust sound. Maybe my perception is skewed since I spend so much time online, but I’m not sure I’ve ever met someone who liked engine noise ...

Washington’s attorney general is seeking to reduce public record backlogs as concerns grow over transparency and agencies strain from surging requests. Attorney General Nick Brown has proposed new ...

Mazda has a neat idea for what is basically a CO2 diaper that could be part of combustion-engine exhaust systems. Mazda has a creative idea for algae-based biofuel and an exhaust system that, ...

It turns out that the stylish dual chrome outlets can do a lot more than just provide an eye-catching finish to a car's aggressive good looks. That's actually just the tip of the iceberg when it comes ...

Amid the traffic-clogged arteries of Los Angeles, where cars have long ruled the streets, the future of urban mobility is being questioned. The reorientation focuses not on simply removing cars or ...