Asia Pacific Marine Emission Control Systems Market Size - By Technology (SCR, Scrubber Systems {Wet [Open Loop, Closed Loop, Hybrid], Dry}), ESP), By Fuel (MDO, MGO, Hybrid), Application, 2025 – 2034

Asia Pacific Marine Emission Control Systems Market Size

The Asia Pacific marine emission control systems market was estimated at USD 7.3 billion in 2024. The market is expected to grow from USD 8 billion in 2025 to USD 14.5 billion in 2034, at a CAGR of 6.9% according to Global Market Insights Inc.

• Region's growing alignment with the global maritime standards, including IMO 2020, which mandates a sulfur cap of 0.5% in marine fuels, escalates marine emission control systems adoption. Countries such as China, South Korea, and Japan have designated Emission Control Areas (ECAs) and implemented strict port emission limits. These regulations compel ship operators to adopt technologies, including scrubbers and selective catalytic reduction (SCR) systems, to remain compliant, avoid penalties, and ensure continued access to international trade routes, leading to drive the business growth.
   
• Marine emission control systems are technologies installed on ships to reduce harmful pollutants such as sulfur oxides (SOx), nitrogen oxides (NOx), and particulate matter from exhaust gases. These systems help vessels comply with international environmental regulations, improve air quality near ports, and support sustainable maritime operations by minimizing the ecological impact of shipping activities.
   
• Rising regional trade and shipping activities, especially in China, India, and Southeast Asia, increase the volume of maritime traffic, creating demand for emission control systems. China's maritime foreign trade volume reached 30.1% of global marine shipping in 2023, increasing by 2.2% points from 2022, as reported by the Transport Planning and Research Institute of China's Ministry of Transport. This increase contributes significantly to air pollution, prompting governments and industry stakeholders to invest in emission control systems. Additionally, cleaner shipping practices are essential to sustain economic growth while minimizing environmental impact, making emission control technologies a strategic necessity.
   
• The Asia Pacific marine emission control systems market was valued at USD 5 billion in 2021 and grew at a CAGR of 13.2% through 2024. Growing implementation of corporate social responsibility (CSR) initiatives by shipping companies across the Asia Pacific is reinforcing the region’s commitment to sustainability and environmental stewardship. Maritime organizations are increasingly investing in emission control technologies to align with CSR goals, enhance brand reputation, and meet rising stakeholder expectations. These efforts also support national and global sustainability targets, such as carbon neutrality pledges by countries like China, Japan, and South Korea, thereby accelerating the adoption of cleaner marine practices and boosting industry growth.


• China is among the dominant countries, on account of the implementation of stringent domestic regulations, including Emission Control Areas (ECAs) in major ports such as Shanghai and Shenzhen, mandating low-sulfur fuel use and emission reduction technologies. Additionally, growing expansion of key players in the country drives the product popularity. For instance, Wärtsilä received a contract in February 2022 to install four scrubber systems on two newbuild ferries. Each 218-meter roll-on/roll-off passenger vessel (ropax), under construction at Guangzhou Shipyard International (GSI) in China, will be equipped with two 25-MW V-SOx hybrid scrubber systems.
   
• South Korea is the fastest-growing region in the market. Rising domestic environmental concerns have led to stricter national policies aimed at improving air quality in port cities, leading to augment the product demand. For instance, the South Korean government, through the Ministry of Oceans and Fisheries, has implemented strict domestic policies to combat air pollution from ships. In 2020, it established Sulphur Emission Control Areas (SECAs) around major ports including Busan, Ulsan, and Incheon, requiring vessels at berth and anchorage to use fuel with a maximum 0.1% sulphur content. The government support and policies will encourage key players to invest in emission control systems, strengthening the business scenario.
   

Asia Pacific Marine Emission Control Systems Market Trends

• Aging fleets in the Asia Pacific are undergoing modernization to meet new environmental standards.  Retrofitting older vessels with scrubbers, selective catalytic reduction (SCR) systems, and exhaust gas cleaning technologies is becoming a cost-effective alternative to purchasing new ships. Additionally, growing governments and industry bodies financial incentives and technical support for retrofitting projects will complement the product deployment. This trend is particularly strong in countries with large domestic shipping fleets, such as India, Indonesia, and the Philippines, driving aftermarket growth in emission control systems.
   
• Expansion of LNG-powered vessels due to their lower emissions compared to traditional fuels is necessitating the demand for emission control systems compatible with LNG engines, such as methane slip reduction technologies and advanced monitoring systems. Furthermore, key players' investments in developing an advanced product line will augment the business scenario. For instance, in February 2022, Valmet's integrated scrubber and wet electrostatic precipitator system demonstrated a 99% reduction in marine diesel engine exhaust emissions. The system helps shipping companies minimize particulate matter and black carbon emissions while ensuring regulatory compliance.
   
• Growing investments in the adoption of eco-friendly designs to meet global sustainability demands are expected to influence the product popularity. Companies are developing new vessels that are being equipped with built-in emission control systems, including hybrid propulsion, exhaust gas cleaning, and alternative fuel compatibility. This trend is driven by customer preferences, regulatory foresight, and competitive differentiation. As shipyards prioritize green technologies, emission control systems become integral to vessel design, boosting their adoption from the construction phase itself.
   
• Growing regional shipping and trade will propel demand for cleaner marine technology. As per Statista, maritime transportation accounts for approximately 95% of India's trade by volume and 70% by value in 2023. Additionally, according to data from the Observatory of Economic Complexity (OEC), South Korea's exports of passenger and cargo ships increased by 119% year-on-year in July 2025 to reach USD 2.05 billion. This jump was part of a larger increase in overall exports for the month. This rising regional trade escalates the volume of short-sea shipping and inter-regional maritime traffic, prompting governments to enforce stricter environmental regulations. Thus, to comply, ship operators are adopting marine emission control systems such as scrubbers and selective catalytic reduction (SCR) units.
   
• Ongoing collaboration of Asia Pacific with global maritime bodies to align emission standards and share best practices will augment the product demand. Initiatives such as ASEAN maritime cooperation and partnerships with the IMO promote uniform regulations and technology adoption. This harmonization reduces compliance complexity for shipowners operating across multiple areas, encouraging investment in standardized emission control systems. It also fosters regional innovation and joint ventures in clean marine technologies, accelerating the deployment of emission reduction solutions across the region.
   

Asia Pacific Marine Emission Control Systems Market Analysis

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Based on technology, the industry is segmented into SCR, scrubber, ESP. The scrubbers segment dominated about 46.9% market share in 2024 and is expected to grow at a CAGR of 8.4% through 2034.
 

• The global push to reduce greenhouse gas emissions and meet sustainability targets is reshaping the maritime industry, driving the adoption of advanced technologies, including scrubbers that minimize environmental impact and support eco-friendly shipping practices. Growing companies' focus on expanding into developing countries will uplift the industry growth. For instance, Wärtsilä marked a major milestone with record scrubber deliveries, including a 25MW unit installed on a Japanese VLCC built by Japan Marine United and delivered in 2022, highlighting continued global confidence in exhaust gas cleaning systems.
   
• The SCR market will grow at a CAGR of 5.4% through 2034. Growing government support in terms of financial incentives, subsidies, and tax benefits to promote clean maritime technologies will strengthen the product growth. For instance, countries including South Korea and Japan support the installation of SCR systems through green shipping initiatives and low-emission vessel programs. These incentives help offset the high upfront costs of SCR systems, making them more accessible to shipowners and accelerating their adoption across the region.
   
• ESP are likely to grow at a CAGR of 7.8% from 2025 to 2034.  Growing awareness of air pollution's health impacts drives market growth. According to the UNEP, approximately 6.5 million deaths occur annually due to exposure to fine dust, smoke, and toxic heavy metals from air pollution. 70% of deaths related to air pollution occur in Asia Pacific.  This has prompted governments and industries to adopt cleaner technologies, increasing the adoption of electrostatic precipitators (ESPs).
   

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• Growing demand for fuel with lower sulfur content of 0.1–0.5%, offering a straightforward compliance path without requiring additional exhaust treatment systems, is set to influence MDO adoption.  Additionally, in Asia Pacific, many shipowners, especially operators of smaller vessels or short-sea routes, prefer MDO for its simplicity and regulatory alignment, avoiding the capital costs associated with scrubber retrofits.
   
• Easy and abundance of MDO across major Asia Pacific ports, including Singapore, Hong Kong, and Tokyo, supported by robust bunkering infrastructure, strengthen the fuel adoption. Additionally, their easy accessibility and compatibility with current vessel designs make MDO a practical choice for regional fleets, especially in developing maritime economies with limited alternative fuel infrastructure.
   
• The MGO is set to grow at a CAGR of 6.9% through 2034, driven by the low sulfur content between 0.1% and 0.5%, qualifying as a compliant fuel for scrubber-equipped vessels, offering a cleaner alternative to high-sulfur fuels. Increasing demand for fuels offering cleaner combustion and reduced maintenance than heavy fuel oil (HFO), producing fewer particulates and less sludge, is propelling MGO adoption. This results in lower engine wear, reduced maintenance costs, and improved operational reliability.
   
• Hybrid segment is set to grow at a CAGR of 7.1% through 2034, on account of its feature of combining conventional fuels with electric propulsion or alternative fuels, helping vessels reduce sulfur oxides (SOx), nitrogen oxides (NOx), and particulate matter. This flexibility allows ships to switch between fuel modes based on operating zones, ensuring compliance without compromising performance, thereby bolstering the fuel adoption. Additionally, their potential to improve fuel efficiency by optimizing engine load and reducing fuel consumption during low-speed operations, such as maneuvering in ports or coastal waters, will complement the industry growth.
   

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• China region dominated the 24.8% share of the Asia Pacific marine emission control systems market in 2024 and is expected to generate over USD 3.3 billion revenue by 2034. Growing expansion of Emission Control Areas (ECAs) around key ports such as Shanghai, Shenzhen, and Guangzhou will bolster the product demand. These zones require ships to use low-sulfur fuels or install emission control systems like scrubbers and SCR units, driving widespread adoption. Additionally, air pollution is responsible for nearly 2 million deaths in the country per year. Rising air pollution and public health concerns in coastal cities are encouraging the Chinese government to prioritize emission reductions from ships, driving the product adoption to meet national air quality targets and reduce health risks.
   
• The Japan marine emission control systems market is anticipated to reach over USD 3.8 billion by 2034, driven by the country's focus on advancing its shipbuilding industry, boosting deployment of emission control systems in new-build ships, especially LNG-powered and hybrid vessels, supporting long-term compliance and efficiency. Stringent port emission regulations, especially in Tokyo and Yokohama, improve the product demand. Ships calling at these ports are required to comply with local regulations, driving adoption of onboard emission control technologies.
   
• India marine emission control systems market is set to grow at a CAGR of 7.5% through 2034. The presence of major ports in cities, including Mumbai, Chennai, and Visakhapatnam, increases air pollution concerns. Ship emissions contribute significantly to sulfur oxides (SOx), nitrogen oxides (NOx), and particulate matter in these regions, encouraging authorities to use marine emission control technologies, especially for vessels operating close to shore. Additionally, companies are introducing new product lines to uplift their business dominance. For instance, in May 2022, Valmet's new wet electrostatic precipitator technology for the marine sector surpasses the International Maritime Organization's (IMO) 2020 regulations through its advanced particulate matter filtration system.
   
• South Korea marine emission control systems market is likely to exceed USD 2 billion by 2034,  driven by the presence of advanced shipbuilding and marine technology. As per the government report, the country's shipbuilding industry surpassed China in the first quarter of 2024, generating USD 13.6 billion in the value of ship orders. These growing statistics also increase the marine pollution which encourage companies to invest in advanced emission control systems such as hybrid scrubbers, exhaust gas recirculation (EGR), and automated monitoring solutions to comply with the regulations and maintain the industry dominance.
   

Asia Pacific Marine Emission Control Systems Market Share

• The top 5 companies, including ALFA LAVAL, Wartsila, Yara International, Everllence SE, Mitsubishi Heavy Industries, account for around 50.5% market share. Major players are partnering with top shipyards in China, South Korea, and Japan to integrate emission control systems during vessel construction. These collaborations ensure early adoption, reduce installation time, and expand market presence. By embedding technologies such as scrubbers and SCR units into new builds, companies secure long-term contracts and strengthen relationships with regional fleet operators, enhancing their competitive edge in the growing Asia Pacific maritime sector.
   
• Companies are investing heavily in research and development to create next-generation emission control systems. Focus areas include compact scrubbers, hybrid exhaust treatment units, and systems compatible with alternative fuels including LNG and methanol. These innovations improve efficiency, reduce operational costs, and meet evolving regulatory standards. In Asia Pacific, where environmental regulations are tightening, advanced technologies offer a strategic advantage and attract shipowners seeking future-ready solutions.
   
• Additionally, manufacturers align their offerings with national green shipping programs, such as South Korea’s Green Ship Program and China’s ECA policies. By leveraging subsidies, tax breaks, and port fee discounts, they make emission control systems more affordable. This strategy not only boosts adoption but also positions companies as partners in regional sustainability efforts, enhancing brand reputation and policy alignment.
   
• Leading firms are integrating digital technologies such as IoT and AI into emission control systems. These smart solutions enable real-time emissions tracking, predictive maintenance, and automated compliance reporting. In the Asia Pacific, where regulatory enforcement is increasing, digital integration helps shipowners maintain transparency and operational efficiency. This strategy differentiates offerings and meets the growing demand for intelligent, data-driven maritime solutions.
   

Asia Pacific Marine Emission Control Systems Market Companies

• ALFA LAVAL offers advanced scrubbers (PureSOx), NOx reduction systems (PureNOx), and fuel supply solutions for alternative fuels, including LPG and methanol. With strong partnerships across Asian shipyards, it supports both newbuilds and retrofits, helping shipowners meet IMO regulations and decarbonization goals through efficient, adaptable technologies.
   
• Wartsila is a leading provider of innovative marine emission control systems, offering a broad portfolio of engines, exhaust treatment solutions, and integrated powertrain systems. They provide various technologies, including exhaust gas cleaning (scrubbers) to remove sulphur oxides and advanced dual-fuel and multi-fuel engines that reduce nitrogen oxide emissions. The company also offers lifecycle services and digital technologies to help vessels improve their environmental performance and meet decarbonization goals.
   
• Yara International specializes in SOx scrubbers and NOx reduction systems. With a strong presence in Shanghai, it supports Asia Pacific shipowners through high-performance, corrosion-resistant scrubbers and flexible installation options. Its systems offer quick payback and long-term compliance with IMO standards.
   
• Everllence SE, formerly MAN Energy Solutions, provides integrated marine emission control systems including SCR, EGR, and dual-fuel engines. Its Asia Pacific focus includes scalable retrofit solutions, digital monitoring, and support for alternative fuels such as methanol and ammonia, aligning with IMO and regional decarbonization goals.
   
• Mitsubishi Heavy Industries develops large-scale marine scrubbers and hybrid systems, leveraging its expertise in flue-gas treatment and marine engineering. Active in Asia-Pacific through shipyards and regional offices, it supports emission compliance and fleet modernization under its Mission Net Zero strategy.
   

Eminent players operating in the Asia Pacific marine emission control systems industry are:

• ALFA LAVAL
• Babcock and Wilcox Enterprises
• Damen Shipyards Group
• DuPont
• Everllence SE
• FLSmidth
• Fuji Electric
• GEECO Enercon
• KC Cottrell India
• KwangSung
• Langh Tech
• Mitsubishi Heavy Industries
• Monroe Environmental
• PANASIA CO., LTD.
• Sumitomo Heavy Industries
• Tenneco
• Valmet Corporation
• Wartsila
• Wood Plc
• Yara International  
• YANMAR
   

Asia Pacific Marine Emission Control Systems Industry News:

• In July 2025, YANMAR Marine International introduced a Selective Catalytic Reduction system that reduces NOx emissions from commercial vessels operating with engines above 130 kW in Emission Control Areas (ECAs). This development aligns with YANMAR's focus on environmental compliance in marine propulsion technology.
• In March 2022, Wärtsilä received a contract to install exhaust gas cleaning systems (scrubbers) on two new 218-meter roll-on/roll-off passenger vessels (RoPax) under construction at Guangzhou Shipyard International (GSI) in China.
   

This Asia Pacific marine emission control systems market research report includes an in-depth coverage of the industry with estimates & forecast in terms of revenue in “(USD Billion)” from 2021 to 2034, for the following segments:

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Market, Technology

• SCR
• Scrubber
  • Wet
    • Open Loop
    • Closed Loop
    • Hybrid
    • Others
  • Dry
• ESP
  • Wet
  • Dry
• Others

Market, By Fuel

• MDO
• MGO
• Hybrid
• Others

Market, By Application

• Commercial
• Offshore
• Recreational
• Navy
• Others

The above information has been provided for the following countries:

• China
• Japan
• India
• South Korea
• Australia
• Vietnam