Selective Catalytic Reduction (SCR) is an advanced emission control technology that injects a liquid-reductant agent through a special catalyst into the exhaust stream of a diesel engine. Before being expelled through vehicle exhaust, the liquid-reductant sets off a chemical reaction that converts nitrogen oxides into nitrogen, water and tiny amounts of carbon dioxide (CO2) - The natural components of the air we breathe.
| Type of Vehicle | Quantity |
|---|---|
| Buses | 52 liters per month |
| Heavy Trucks | 104 liters per month |
| Passenger Cars | 6 liters per month |