選擇性催化還原市場－全球產業規模、佔有率、趨勢、機會、預測：按應用、類型、車輛類型、地區和競爭格局分類，2021-2031年

全球選擇性催化還原（SCR）市場預計將從 2025 年的 209.5 億美元成長到 2031 年的 327.9 億美元，複合年成長率為 7.75%。

這種主動式排放氣體控制技術的工作原理是透過特定催化劑將液態還原劑注入柴油引擎廢氣中，有效地將氮氧化物轉化為水和雙原子氮氣。市場的主要驅動力是政府日益嚴格的法規，這些法規要求降低內燃機的排放標準，以及工業環境中對高效節能發電的需求不斷成長。這迫使製造商採用先進的後處理系統，以確保在不犧牲引擎性能的前提下滿足法規要求。

然而，發展中地區柴油引擎廢氣處理液（DEF）的儲存和分銷基礎設施不足，構成市場壁壘，阻礙了其廣泛應用。儘管有這些物流挑戰，重型運輸業仍高度依賴內燃機，對選擇性催化還原（SCR）解決方案的需求仍然強勁。根據歐洲汽車製造商協會（ACEA）的數據，到2024年，柴油卡車將佔歐盟新車註冊量的95.1%，顯示商業領域對柴油動力系統的持續依賴，以及為滿足嚴格的環保法規，對SCR技術的迫切需求。

市場促進因素

國際海事組織（IMO）Tier III排放標準的實施正在推動海事領域的市場發展。這促使營運商對其現有船隊進行改造，或建造配備先進排放氣體控制系統的新船。隨著氮氧化物排放控制區（NECA）相關法規的日益嚴格，選擇性催化還原（SCR）技術的應用範圍正從貨船擴展到特殊船舶類別，促使企業即時投資升級廢氣排放系統以滿足氮氧化物排放限制。例如，2024年9月，Waltira公司宣布已獲得Colourline公司四艘客滾船（Ro-Pax，客貨兩用船）的廢氣處理系統升級訂單，使其具備閉合迴路功能，從而滿足不斷變化的環保要求。

同時，全球重型商用車產量的成長正在推動市場成長，尤其是在基礎設施計劃需要大規模物流車輛的工業區。製造商持續大規模生產需要整合SCR技術的重型卡車，以滿足相當於國六和歐六排放標準的要求。根據中國卡車網報道，2024年前三季中國重型卡車銷售約68.12萬輛，凸顯了SCR技術的龐大應用規模。相關商業領域的市場擴張也可見一斑。 2025年1月，歐洲汽車製造商協會（ACEA）宣布，2024年歐盟新註冊廂型車數量年增8.3%，顯示排放氣體控制技術的應用範圍正在擴大。

市場挑戰

全球選擇性催化還原（SCR）市場面臨的主要障礙之一是發展中地區柴油引擎廢氣處理液（DEF）的儲存和分銷基礎設施不足。由於SCR系統依賴DEF的持續供應才能正常運作，供應鏈中斷會導致引擎動力下降和不符合監管規定。這種物流方面的不確定性使得新興市場的車隊營運商在升級到配備SCR的大型車輛時猶豫不決，因為他們擔心在關鍵的長途運輸路線上DEF供應不足。

基礎設施的匱乏延緩了現代商用車的普及，進而限制了SCR系統的潛在市場。大量需要此類支援的車輛湧入這些市場，凸顯了物流缺口的嚴重性。根據印度汽車製造商協會（SIAM）統計，2024年印度國內商用車銷量達951,991輛。如此龐大的新增車隊規模表明，車輛需求與現有支援網路之間存在顯著的不匹配，這有效地限制了SCR市場在這些前景廣闊地區的成長潛力。

市場趨勢

由於農業和施工機械的排放法規日益嚴格，非道路移動機械中選擇性排放還原（SCR）系統的應用正在迅速擴展。與成熟的道路車輛市場不同，非公路機械領域目前正經歷關鍵的技術變革，以滿足未來的排放標準（近零氮氧化物排放），這迫使製造商重新設計重型機械的後處理系統。 2024年1月，美國設備製造商協會（AEM）指出，加州空氣資源委員會（CARB）提案的第五階段排放標準旨在將56-560千瓦非道路引擎的氮氧化物排放量比第四階段最終標準降低90%，並且必須使用具有先進診斷功能的高性能SCR裝置。

同時，氫基選擇性催化還原（SCR）技術的研究正蓬勃發展，這標誌著業界尋求零碳燃燒方案的關鍵轉折點。雖然氫內燃機不會排放二氧化碳，但在高溫下會產生熱力型氮氧化物，因此需要採用沸石催化劑等專用SCR解決方案來有效控制其獨特的廢氣成分。 2024年10月，加州大學河濱分校的研究人員證明，將Y型沸石應用於鉑基觸媒轉換器，可使250°C下的氮氧化物轉化效率比標準轉換器提高4至5倍。這凸顯了先進的SCR技術在大型車輛氫動力技術的實用化中將發揮的關鍵作用。

目錄

第1章概述

第2章：調查方法

第3章執行摘要

第4章：客戶心聲

第5章：全球選擇性催化還原市場展望

• 市場規模及預測
  • 按金額
• 市佔率及預測
  • 按應用領域（柴油車、汽油車）
  • 按類型（追蹤類型、最佳化類型）
  • 車輛類型（乘用車、商用車）
  • 按地區
  • 按公司（2025 年）
• 市場地圖

第6章：北美選擇性催化還原市場展望

• 市場規模及預測
• 市佔率及預測
• 北美洲：國別分析
  • 美國
  • 加拿大
  • 墨西哥

第7章：歐洲選擇性催化還原市場展望

• 市場規模及預測
• 市佔率及預測
• 歐洲：國別分析
  • 德國
  • 法國
  • 英國
  • 義大利
  • 西班牙

第8章：亞太地區選擇性催化還原市場展望

• 市場規模及預測
• 市佔率及預測
• 亞太地區：國別分析
  • 中國
  • 印度
  • 日本
  • 韓國
  • 澳洲

第9章：中東與非洲選擇性催化還原市場展望

• 市場規模及預測
• 市佔率及預測
• 中東與非洲：國別分析
  • 沙烏地阿拉伯
  • 阿拉伯聯合大公國
  • 南非

第10章：南美洲選擇性催化還原市場展望

• 市場規模及預測
• 市佔率及預測
• 南美洲：國別分析
  • 巴西
  • 哥倫比亞
  • 阿根廷

第11章 市場動態

• 促進因素
• 任務

第12章 市場趨勢與發展

• 併購
• 產品發布
• 近期趨勢

第13章：全球選擇性催化還原市場：SWOT分析

第14章：波特五力分析

• 產業競爭
• 新進入者的潛力
• 供應商的議價能力
• 顧客權力
• 替代品的威脅

第15章 競爭格局

• Johnson Matthey Group
• Faurecia SE
• Cummins Inc.
• OPmobility SE
• ROchling Group
• Tenneco Inc.
• Robert Bosch GmbH.
• Bosal Emission Control Systems
• MANN+HUMMEL GmbH
• BENTELER International

第16章 策略建議

第17章：關於研究公司及免責聲明

The Global Selective Catalytic Reduction Market is projected to expand from USD 20.95 Billion in 2025 to USD 32.79 Billion by 2031, reflecting a CAGR of 7.75%. This active emissions control technology functions by injecting a liquid reductant through a specific catalyst into the diesel engine exhaust stream, effectively converting nitrogen oxides into water and diatomic nitrogen. The market is primarily propelled by strict government mandates requiring lower emission standards for internal combustion engines, alongside a growing need for fuel-efficient power generation in industrial settings, which forces manufacturers to adopt advanced after-treatment systems that ensure compliance without sacrificing engine performance.

However, the market faces hurdles due to inconsistent infrastructure for storing and distributing Diesel Exhaust Fluid (DEF) in developing areas, creating obstacles for widespread adoption. Despite these logistical issues, the heavy transport sector remains heavily dependent on internal combustion engines, maintaining strong demand for SCR solutions. Data from the European Automobile Manufacturers' Association indicates that diesel trucks comprised 95.1% of new European Union registrations in 2024, demonstrating the commercial sector's continued reliance on diesel powertrains and the consequent necessity for SCR technology to adhere to rigorous environmental regulations.

Market Driver

The enforcement of IMO Tier III standards within the maritime sector serves as a key market catalyst, requiring operators to retrofit current fleets and commission new ships equipped with advanced emissions control systems. As regulations regarding Nitrogen Emission Control Areas (NECAs) tighten, SCR adoption is spreading from cargo carriers to specialized vessel categories to satisfy nitrogen oxide limits, prompting immediate investment in exhaust hardware. For example, Wartsila reported in September 2024 that it received an order to upgrade exhaust treatment systems on four Ro-Pax vessels for Color Line, incorporating closed-loop features to meet these changing environmental requirements.

Simultaneously, rising global production of heavy-duty commercial vehicles drives market growth, especially in industrial regions where infrastructure projects demand extensive logistics fleets. Manufacturers continue to produce large volumes of heavy-duty trucks that require SCR integration to comply with standards equivalent to China VI and Euro VI. ChinaTruck.net reported that heavy-duty truck sales in China totaled roughly 681,200 units during the first three quarters of 2024, highlighting the vast scale of SCR implementation. Further evidence of market breadth is seen in related commercial sectors; the European Automobile Manufacturers' Association noted in January 2025 that new EU van registrations rose by 8.3% over the course of 2024, signaling an expanded scope for emissions control technologies.

Market Challenge

A major obstacle facing the Global Selective Catalytic Reduction Market is the inadequate infrastructure for Diesel Exhaust Fluid (DEF) storage and distribution in developing regions. Since SCR systems rely on a constant supply of DEF to function, any disruption in the supply chain risks engine derating or compliance failures. This uncertainty regarding logistics causes fleet operators in emerging markets to hesitate in upgrading to heavy-duty vehicles equipped with SCR, fearing that fluid will be unavailable on essential long-haul routes.

This lack of infrastructure slows the adoption of modern commercial vehicles, thereby restricting the potential market for SCR systems. The severity of this logistical gap is emphasized by the large number of vehicles entering these markets that require such support. The Society of Indian Automobile Manufacturers reported that domestic commercial vehicle sales hit 951,991 units in the 2024 calendar year. This high volume of new fleet additions highlights a significant mismatch between vehicle demand and the available support network, effectively limiting the growth potential of the SCR market in these promising regions.

Market Trends

The adoption of SCR systems in Non-Road Mobile Machinery is increasing rapidly as regulators impose stricter emissions targets on agricultural and construction equipment. Unlike the established on-road market, the off-highway sector is currently navigating a pivotal technology shift to meet future standards requiring near-zero nitrogen oxide emissions, prompting manufacturers to redesign after-treatment architectures for heavy machinery. In January 2024, the Association of Equipment Manufacturers noted that proposed California Air Resources Board Tier 5 regulations aim for a 90% reduction in nitrogen oxide emissions for off-road engines between 56 and 560 kW compared to Tier 4 Final standards, necessitating the use of high-performance SCR units with advanced diagnostics.

Simultaneously, the rise of Hydrogen-Based Selective Catalytic Reduction Research marks a significant shift as the industry investigates zero-carbon combustion options. Although hydrogen internal combustion engines eliminate carbon dioxide, they generate thermal nitrogen oxides at high temperatures, requiring specialized SCR solutions, such as zeolite-based catalysts, to manage unique exhaust compositions effectively. In October 2024, researchers at UC Riverside demonstrated that using Y zeolites in platinum-based catalytic converters improved the conversion of nitrogen oxides into nitrogen by four to five times at 250 degrees Celsius compared to standard converters, highlighting the vital role of advanced SCR technology in making hydrogen propulsion viable for heavy-duty use.

Key Market Players

• Johnson Matthey Group
• Faurecia SE
• Cummins Inc.
• OPmobility SE
• ROchling Group
• Tenneco Inc.
• Robert Bosch GmbH.
• Bosal Emission Control Systems
• MANN+HUMMEL GmbH
• BENTELER International

Report Scope

In this report, the Global Selective Catalytic Reduction Market has been segmented into the following categories, in addition to the industry trends which have also been detailed below:

Selective Catalytic Reduction Market, By Application

• Diesel Powered Vehicles
• Gasoline Powered Vehicles

Selective Catalytic Reduction Market, By Type

• Tracking
• Optimization

Selective Catalytic Reduction Market, By Vehicle Type

• Passenger Cars
• Commercial Vehicles

Selective Catalytic Reduction Market, By Region

• North America
  • United States
  • Canada
  • Mexico
• Europe
  • France
  • United Kingdom
  • Italy
  • Germany
  • Spain
• Asia Pacific
  • China
  • India
  • Japan
  • Australia
  • South Korea
• South America
  • Brazil
  • Argentina
  • Colombia
• Middle East & Africa
  • South Africa
  • Saudi Arabia
  • UAE

Competitive Landscape

Company Profiles: Detailed analysis of the major companies present in the Global Selective Catalytic Reduction Market.

Available Customizations:

Global Selective Catalytic Reduction Market report with the given market data, TechSci Research offers customizations according to a company's specific needs. The following customization options are available for the report:

Company Information

• Detailed analysis and profiling of additional market players (up to five).

Table of Contents

1. Product Overview

• 1.1. Market Definition
• 1.2. Scope of the Market
  • 1.2.1. Markets Covered
  • 1.2.2. Years Considered for Study
  • 1.2.3. Key Market Segmentations

2. Research Methodology

• 2.1. Objective of the Study
• 2.2. Baseline Methodology
• 2.3. Key Industry Partners
• 2.4. Major Association and Secondary Sources
• 2.5. Forecasting Methodology
• 2.6. Data Triangulation & Validation
• 2.7. Assumptions and Limitations

3. Executive Summary

• 3.1. Overview of the Market
• 3.2. Overview of Key Market Segmentations
• 3.3. Overview of Key Market Players
• 3.4. Overview of Key Regions/Countries
• 3.5. Overview of Market Drivers, Challenges, Trends

4. Voice of Customer

5. Global Selective Catalytic Reduction Market Outlook

• 5.1. Market Size & Forecast
  • 5.1.1. By Value
• 5.2. Market Share & Forecast
  • 5.2.1. By Application (Diesel Powered Vehicles, Gasoline Powered Vehicles)
  • 5.2.2. By Type (Tracking, Optimization)
  • 5.2.3. By Vehicle Type (Passenger Cars, Commercial Vehicles)
  • 5.2.4. By Region
  • 5.2.5. By Company (2025)
• 5.3. Market Map

6. North America Selective Catalytic Reduction Market Outlook

• 6.1. Market Size & Forecast
  • 6.1.1. By Value
• 6.2. Market Share & Forecast
  • 6.2.1. By Application
  • 6.2.2. By Type
  • 6.2.3. By Vehicle Type
  • 6.2.4. By Country
• 6.3. North America: Country Analysis
  • 6.3.1. United States Selective Catalytic Reduction Market Outlook
    • 6.3.1.1. Market Size & Forecast
      • 6.3.1.1.1. By Value
    • 6.3.1.2. Market Share & Forecast
      • 6.3.1.2.1. By Application
      • 6.3.1.2.2. By Type
      • 6.3.1.2.3. By Vehicle Type
  • 6.3.2. Canada Selective Catalytic Reduction Market Outlook
    • 6.3.2.1. Market Size & Forecast
      • 6.3.2.1.1. By Value
    • 6.3.2.2. Market Share & Forecast
      • 6.3.2.2.1. By Application
      • 6.3.2.2.2. By Type
      • 6.3.2.2.3. By Vehicle Type
  • 6.3.3. Mexico Selective Catalytic Reduction Market Outlook
    • 6.3.3.1. Market Size & Forecast
      • 6.3.3.1.1. By Value
    • 6.3.3.2. Market Share & Forecast
      • 6.3.3.2.1. By Application
      • 6.3.3.2.2. By Type
      • 6.3.3.2.3. By Vehicle Type

7. Europe Selective Catalytic Reduction Market Outlook

• 7.1. Market Size & Forecast
  • 7.1.1. By Value
• 7.2. Market Share & Forecast
  • 7.2.1. By Application
  • 7.2.2. By Type
  • 7.2.3. By Vehicle Type
  • 7.2.4. By Country
• 7.3. Europe: Country Analysis
  • 7.3.1. Germany Selective Catalytic Reduction Market Outlook
    • 7.3.1.1. Market Size & Forecast
      • 7.3.1.1.1. By Value
    • 7.3.1.2. Market Share & Forecast
      • 7.3.1.2.1. By Application
      • 7.3.1.2.2. By Type
      • 7.3.1.2.3. By Vehicle Type
  • 7.3.2. France Selective Catalytic Reduction Market Outlook
    • 7.3.2.1. Market Size & Forecast
      • 7.3.2.1.1. By Value
    • 7.3.2.2. Market Share & Forecast
      • 7.3.2.2.1. By Application
      • 7.3.2.2.2. By Type
      • 7.3.2.2.3. By Vehicle Type
  • 7.3.3. United Kingdom Selective Catalytic Reduction Market Outlook
    • 7.3.3.1. Market Size & Forecast
      • 7.3.3.1.1. By Value
    • 7.3.3.2. Market Share & Forecast
      • 7.3.3.2.1. By Application
      • 7.3.3.2.2. By Type
      • 7.3.3.2.3. By Vehicle Type
  • 7.3.4. Italy Selective Catalytic Reduction Market Outlook
    • 7.3.4.1. Market Size & Forecast
      • 7.3.4.1.1. By Value
    • 7.3.4.2. Market Share & Forecast
      • 7.3.4.2.1. By Application
      • 7.3.4.2.2. By Type
      • 7.3.4.2.3. By Vehicle Type
  • 7.3.5. Spain Selective Catalytic Reduction Market Outlook
    • 7.3.5.1. Market Size & Forecast
      • 7.3.5.1.1. By Value
    • 7.3.5.2. Market Share & Forecast
      • 7.3.5.2.1. By Application
      • 7.3.5.2.2. By Type
      • 7.3.5.2.3. By Vehicle Type

8. Asia Pacific Selective Catalytic Reduction Market Outlook

• 8.1. Market Size & Forecast
  • 8.1.1. By Value
• 8.2. Market Share & Forecast
  • 8.2.1. By Application
  • 8.2.2. By Type
  • 8.2.3. By Vehicle Type
  • 8.2.4. By Country
• 8.3. Asia Pacific: Country Analysis
  • 8.3.1. China Selective Catalytic Reduction Market Outlook
    • 8.3.1.1. Market Size & Forecast
      • 8.3.1.1.1. By Value
    • 8.3.1.2. Market Share & Forecast
      • 8.3.1.2.1. By Application
      • 8.3.1.2.2. By Type
      • 8.3.1.2.3. By Vehicle Type
  • 8.3.2. India Selective Catalytic Reduction Market Outlook
    • 8.3.2.1. Market Size & Forecast
      • 8.3.2.1.1. By Value
    • 8.3.2.2. Market Share & Forecast
      • 8.3.2.2.1. By Application
      • 8.3.2.2.2. By Type
      • 8.3.2.2.3. By Vehicle Type
  • 8.3.3. Japan Selective Catalytic Reduction Market Outlook
    • 8.3.3.1. Market Size & Forecast
      • 8.3.3.1.1. By Value
    • 8.3.3.2. Market Share & Forecast
      • 8.3.3.2.1. By Application
      • 8.3.3.2.2. By Type
      • 8.3.3.2.3. By Vehicle Type
  • 8.3.4. South Korea Selective Catalytic Reduction Market Outlook
    • 8.3.4.1. Market Size & Forecast
      • 8.3.4.1.1. By Value
    • 8.3.4.2. Market Share & Forecast
      • 8.3.4.2.1. By Application
      • 8.3.4.2.2. By Type
      • 8.3.4.2.3. By Vehicle Type
  • 8.3.5. Australia Selective Catalytic Reduction Market Outlook
    • 8.3.5.1. Market Size & Forecast
      • 8.3.5.1.1. By Value
    • 8.3.5.2. Market Share & Forecast
      • 8.3.5.2.1. By Application
      • 8.3.5.2.2. By Type
      • 8.3.5.2.3. By Vehicle Type

9. Middle East & Africa Selective Catalytic Reduction Market Outlook

• 9.1. Market Size & Forecast
  • 9.1.1. By Value
• 9.2. Market Share & Forecast
  • 9.2.1. By Application
  • 9.2.2. By Type
  • 9.2.3. By Vehicle Type
  • 9.2.4. By Country
• 9.3. Middle East & Africa: Country Analysis
  • 9.3.1. Saudi Arabia Selective Catalytic Reduction Market Outlook
    • 9.3.1.1. Market Size & Forecast
      • 9.3.1.1.1. By Value
    • 9.3.1.2. Market Share & Forecast
      • 9.3.1.2.1. By Application
      • 9.3.1.2.2. By Type
      • 9.3.1.2.3. By Vehicle Type
  • 9.3.2. UAE Selective Catalytic Reduction Market Outlook
    • 9.3.2.1. Market Size & Forecast
      • 9.3.2.1.1. By Value
    • 9.3.2.2. Market Share & Forecast
      • 9.3.2.2.1. By Application
      • 9.3.2.2.2. By Type
      • 9.3.2.2.3. By Vehicle Type
  • 9.3.3. South Africa Selective Catalytic Reduction Market Outlook
    • 9.3.3.1. Market Size & Forecast
      • 9.3.3.1.1. By Value
    • 9.3.3.2. Market Share & Forecast
      • 9.3.3.2.1. By Application
      • 9.3.3.2.2. By Type
      • 9.3.3.2.3. By Vehicle Type

10. South America Selective Catalytic Reduction Market Outlook

• 10.1. Market Size & Forecast
  • 10.1.1. By Value
• 10.2. Market Share & Forecast
  • 10.2.1. By Application
  • 10.2.2. By Type
  • 10.2.3. By Vehicle Type
  • 10.2.4. By Country
• 10.3. South America: Country Analysis
  • 10.3.1. Brazil Selective Catalytic Reduction Market Outlook
    • 10.3.1.1. Market Size & Forecast
      • 10.3.1.1.1. By Value
    • 10.3.1.2. Market Share & Forecast
      • 10.3.1.2.1. By Application
      • 10.3.1.2.2. By Type
      • 10.3.1.2.3. By Vehicle Type
  • 10.3.2. Colombia Selective Catalytic Reduction Market Outlook
    • 10.3.2.1. Market Size & Forecast
      • 10.3.2.1.1. By Value
    • 10.3.2.2. Market Share & Forecast
      • 10.3.2.2.1. By Application
      • 10.3.2.2.2. By Type
      • 10.3.2.2.3. By Vehicle Type
  • 10.3.3. Argentina Selective Catalytic Reduction Market Outlook
    • 10.3.3.1. Market Size & Forecast
      • 10.3.3.1.1. By Value
    • 10.3.3.2. Market Share & Forecast
      • 10.3.3.2.1. By Application
      • 10.3.3.2.2. By Type
      • 10.3.3.2.3. By Vehicle Type

11. Market Dynamics

• 11.1. Drivers
• 11.2. Challenges

12. Market Trends & Developments

• 12.1. Merger & Acquisition (If Any)
• 12.2. Product Launches (If Any)
• 12.3. Recent Developments

13. Global Selective Catalytic Reduction Market: SWOT Analysis

14. Porter's Five Forces Analysis

• 14.1. Competition in the Industry
• 14.2. Potential of New Entrants
• 14.3. Power of Suppliers
• 14.4. Power of Customers
• 14.5. Threat of Substitute Products

15. Competitive Landscape

• 15.1. Johnson Matthey Group
  • 15.1.1. Business Overview
  • 15.1.2. Products & Services
  • 15.1.3. Recent Developments
  • 15.1.4. Key Personnel
  • 15.1.5. SWOT Analysis
• 15.2. Faurecia SE
• 15.3. Cummins Inc.
• 15.4. OPmobility SE
• 15.5. ROchling Group
• 15.6. Tenneco Inc.
• 15.7. Robert Bosch GmbH.
• 15.8. Bosal Emission Control Systems
• 15.9. MANN+HUMMEL GmbH
• 15.10. BENTELER International

16. Strategic Recommendations

17. About Us & Disclaimer