There has been an incessant increase in emissions of polluting substances including carbon dioxide (CO2) and nitrogen oxide (NOx) particles from vehicles into the environment. In diesel engines, the level of NOx emissions is very high, whereas, in petrol engines, the emission of NOx particles is merely 5% that of emission from diesel engines. Hence, there is a dire need for a proficient depollution system that can curb the NOx particles emitted from diesel vehicles. At present, there are two depollution systems available for reducing NOx particle emissions from diesel engine vehicles: SCR system (Selective Catalytic System) and Lean NOx-Trap (LNT) system.
Between the two depollution systems available for diesel engine vehicles, the SCR system is expensive and complex but is also more efficient one than the LNT system as it converts nitrogen oxide into diatomic nitrogen and water vapor by injecting aqueous urea solution into the exhaust system. The SCR System has a maximum efficiency of 90-95% (NOx reduction of 90-95%), whereas the LNT system is a relatively less efficient system and offers the maximum efficiency of 70%. The SCR system is capable of handling a higher volume of exhaust fumes and can reduce NOx emissions up to 90 percent, while simultaneously reducing HC (hydrocarbon) and CO (carbon monoxide) emissions by 50-90 percent, and PM (particulate matter) emissions by 30-50 percent.
Despite the high cost of the SCR system, it is expeditiously gaining the market traction, driven by its higher efficiency. Another factor giving an impetus to the demand for SCR system over LNT system is that there is a problem of clogging associated with the LNT system that results into the blockage of EGR (exhaust gas recirculation) valve. Due to which, automakers cannot reduce the number of recirculation processes, which leads to an increase in temperature and rise in the rate of NOx particles exceeding the amount of NOx that the LNT system can handle.
The global automotive SCR system market is projected to grow at an impressive rate over the next five years to reach US$ 3.2 billion in 2023. Incessant increase in the penetration of SCR system in diesel vehicles to address the stringent regulations regarding the NOx emission reductions and fuel efficiency enhancements is the prime growth driver of the market.
Development of innovative SCR system is an indispensable focus area of the SCR system suppliers based on the requirements of auto OEMs. The market for SCR system is marked by major global automotive tier players including Faurecia, Plastic Omnium, and Tenneco. Also, it is expected that the excellent growth of SCR system may entice other players to enter the market to tap the growth potential.
Insights based on vehicle type:-
The global automotive SCR system market is segmented based on the vehicle type as Passenger Car, LCV (Light Commercial Vehicle), and M&HCV (Medium- and Heavy-Duty Commercial Vehicle). Passenger car segment is expected to remain the growth engine of the market during the forecast period of 2018 to 2023. Increasing production of passenger cars coupled with increasing penetration of SCR system in diesel engine-based passenger car models is likely to elevate the demand for SCR system in the segment in the foreseeable future.
Insights based on catalyst type:-
Based on the catalyst type, the automotive SCR system market is segmented as Copper Zeolite, Iron Zeolite, and Others (platinum, palladium, rhodium, etc. ). Copper Zeolite is expected to remain the most dominant catalyst type in the global automotive SCR system market during the forecast period, owing to its better ammonia storage capabilities. Both, Iron Zeolite as well as other segments, are also likely to witness healthy growth rates over the next five years.
Insights based on catalyst structure type:-
Based on the catalyst structure type, the market is segmented as honeycomb catalyst structure and others (plate and corrugated type). Honeycomb structure is expected to remain the most dominant type in the global automotive SCR System market during the forecast period, owing to its better surface coverage and regular flow.
Insights based on region:-
Based on regions, Europe is expected to remain the largest automotive SCR system market during the forecast period. Stricter emission norms of the European Commission have led to a faster adoption of SCR System into European vehicles. Ford Focus & Fusion, BMW 5 Series & 7 Series, Renault Twingo & Talisman, Citroen C4 Picasso, and Audi Q7 are some of the key European models that are relying on SCR system to reduce the level of emissions. Asia-Pacific is likely to depict the highest growth during the forecast period with China and India being the key sources of growth.
The supply chain of this market comprises raw material suppliers, SCR system suppliers, distributors, automotive OEMs, and dealers. Key automotive SCR system manufacturers are Tenneco Inc. , Faurecia SA, Plastic Omnium SA, and Rochling Group. Major automotive OEMs in the industry, which currently relies on the SCR systems, are Ford, BMW, Renault, Citroen, and Audi. Development of integrated SCR systems and formation of strategic alliances with automakers are the key strategies adopted by the major players to gain a competitive edge in the market.
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