Modifying cars for improved performance and style has always been a hobby with a bit of a rebellious streak. In the "good old days," it was pretty common for people to gut their car's catalytic ...

Exhaust leaks can have serious consequences for your health and the safe and efficient operation of your car. How do you check for exhaust leaks?

Pitkin County has renewed its vehicle emissions testing program for an indefinite period of time.The county commissioners endorsed renewal of the program, which has been in effect since 1989, last ...

Several times a year it seems we hear of shop owners and even some truck owners who have been caught out of emissions compliance, whether gutting the hardware of the internal emissions-system ...

What makes power in an engine? Fundamentally, it's all about air, fuel, and a well-timed spark. But if it's the stuff going into an engine that really counts, why is exhaust system design so critical?

In recent days, the implementation of the National Technical Standard on emissions for automobiles, especially those using ...

Bosch provided flights to Frankfurt and three nights' accommodation for this trip to the Bosch Mobility Experience. But the fallout from the scandal has been more wide-ranging, as the artificial ...

According to the Ministry of Agriculture and Environment, when the engine accelerates rapidly, the operating state becomes more stable, maximum smoke is produced and passes through the exhaust pipe to ...