Key Points Marathon Petroleum's St. Paul Park refinery has invested $40,000 in Project Clean Air Repair (CAR), an initiative ...

It funnels exhaust gases from all the cylinders and routes them to the car’s catalytic converter. V-type engines have a separate manifold for each cylinder bank. A leak in the exhaust manifold ...

Exhaust smoke typically appears in three ... This is extensive work, and the repair costs can often cause the car to be written off. Your car could be smoking after an oil change for a few reasons.

The program, Project CAR, works with local garages in Minnesota to repair damaged exhaust systems at no cost to vehicle ...

By the time the BER was due for renewal in 2010, regulations for new car exhaust emissions had been established, requiring ...