Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely exp ...

Your exhaust system is essential for fuel economy and the safety of your car, especially in winter. Speedy can help maintain ...

Ranked Since diesel engines create more soot and NOx emissions than gas engines, their exhaust systems are more complex. A modern system includes a diesel oxidation catalyst that converts carbon ...

One of the gases in exhaust is called carbon monoxide (CO), which is a poisonous gas that’s fatal to breathe in large amounts ... But those chemical reactions take a long time, so chemists use what’s ...

Bypass can greatly affect NOx and Ammonia Slip. The catalyst support structure frame, as well as the perimeter seals, should also be inspected for the any areas that may have exhaust gas and ammonia ...

The Cat-DEF™ technology is a catalyst and surfactant modified diesel exhaust fluid (DEF) that provides improvements in nitrous oxide (NOx) and carbon dioxide emissions by reducing undesirable ...