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Solution to Reduce Emissions from Diesel Engines

The workshop took place against the backdrop of severe air pollution challenges in major urban centers, especially Ho Chi Minh City and Hanoi. Controlling emissions, adopting clean technologies, and transitioning to environmentally friendly fuels are considered urgent requirements for achieving sustainable development.

The event, titled “Mitigating Pollution from Exhaust Gas of Diesel-Powered Vehicles: Current Situation and Solutions in the Southeast Region,” occurred on the morning of December 4 in Ho Chi Minh City.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

Attendees included Mr. Bui Minh Thanh, Vice Chairman of the Ho Chi Minh City People's Committee; Dr. Le Xuan Huyen, Deputy General Director of Petrovietnam; Labor Hero, Dr. Nguyen Hung Dung, Permanent Vice President and General Secretary of the Vietnam Petroleum Association; Mr. Nguyen Xuan Hoa, Chairman of the Board of Directors of PVFCCo – Phu My; Mr. Phan Cong Thanh, General Director of PVFCCo – Phu My; along with delegates from specialized Departments and Bureaus; representatives from relevant agencies of Ho Chi Minh City, Dong Nai, and Tay Ninh; and various Institutes, Universities, and Associations.

In his opening remarks, Dr. Le Xuan Huyen stated that air pollution, particularly from diesel-fueled vehicles, is a pressing concern. This necessitates identifying the right 'root cause' of the pollution and implementing appropriate solutions for effective treatment.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

Dr. Le Xuan Huyen, Deputy General Director of Petrovietnam, asserted that effective treatment requires correctly identifying the "root cause" of pollution and developing suitable solutions.

A recent milestone: on November 28, the Prime Minister issued Decision No. 43/2025/QD-TTg, which stipulates the roadmap for applying the National Technical Regulation on exhaust emissions for road-going automobiles. This Decision takes effect from March 1, 2026, demonstrating a strong resolve to control traffic emissions nationwide.

The workshop focused on assessing the current status of air pollution caused by diesel vehicle exhaust. It also proposed technological, policy, and product solutions aimed at reducing emissions and improving ambient air quality.

Petrovietnam Deputy General Director Le Xuan Huyen highlighted Petrovietnam's advantage in researching, manufacturing, and supplying chemicals and technologies for environmental protection. Specifically, the Phu My Fertilizer Plant has the capacity to produce and supply chemicals that can support the reduction of polluting emissions from diesel engines.

These efforts—focused on technology innovation and developing clean, eco-friendly products such as solutions for reducing NOx emissions from vehicles—are practical steps toward realizing the Government's major directives, including the commitment to achieve Net Zero emissions by 2050.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

Mr. Bui Minh Thanh, Vice Chairman of the Ho Chi Minh City People's Committee, highly commended the initiative by Petrovietnam and PVFCCo – Phu My in researching and introducing solutions for reducing diesel engine emissions.

Speaking at the workshop, Vice Chairman of the Ho Chi Minh City People's Committee Bui Minh Thanh shared that the city has 12.7 million vehicles, including 1.4 million automobiles and the rest motorbikes. Scientific analysis shows that diesel-powered vehicles are a primary source of PM2.5 fine dust, NOx, and SOx—key agents that directly impact public health and urban environmental quality.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

The City’s leadership highly appreciated the initiative of Petrovietnam and its partners in organizing the workshop and introducing new technologies. The data analysis, scientific evidence, advanced models, and international experience presented are valuable references for the City in refining its air quality management policies.

Consequently, Ho Chi Minh City will focus on four core strategic orientations:

  1. Finalizing institutions and emission standards.
  2. Accelerating the application of clean technologies and eco-friendly fuels.
  3. Developing a green logistics ecosystem.
  4. Mobilizing social resources and regional cooperation.

Ms. Nguyen Ngoc Thuy, Deputy Director of the Ho Chi Minh City Department of Agriculture and Environment, provided information on the Action Plan for Pollution Remediation and Air Quality Management for the 2026–2030 period, with a vision to 2045.

Ms. Nguyen Ngoc Thuy informed that the Department has developed the Action Plan, which concentrates on five main areas:

  1. Planning HCMC toward green and sustainable development.
  2. Implementing investment projects to enhance environmental monitoring capabilities.
  3. Controlling pollution from emission sources, promoting green transition across all sectors.
  4. Sustaining regular training for human resources in air quality management, raising community awareness.
  5. Deploying research applying Artificial Intelligence models for air pollution forecasting and warning.

At the Workshop, speakers presented on: The current state of emissions, policies, regulations, and the roadmap for controlling vehicle emissions, especially diesel engines in the Southeast region; technical solutions for reducing exhaust gas from internal combustion engine vehicles; the current state of emissions from transport activities in major global cities, industrial parks, and maritime sectors, along with international experiences in mitigating diesel engine exhaust pollution.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

Mr. Tran Vinh Loc, Master of Science and Deputy Director of the Research and Application Center (PVFCCo – Phu My), presented the "Green Solution for Diesel Engine Exhaust."

According to Mr. Tran Vinh Loc, the emission control roadmap in Vietnam is accelerating. This creates an urgent need for technical support solutions, such as implementing the SCR (Selective Catalytic Reduction) system combined with DEF (Diesel Exhaust Fluid), a urea-water solution. This combination helps diesel vehicles meet technical standards, protect the environment, and optimize operational efficiency.

To address the environmental challenge posed by NOx emissions, PVFCCo - Phu My launched the product line DEF – Phu My Green. This product meets international standards with the most common concentration of 32.5% urea, specifically designed for diesel cars and trucks.

Concluding the workshop, Mr. Nguyen Xuan Hoa stated that the opinions shared provided stakeholders with a deeper insight into the reality of urban air pollution. Crucially, they opened up feasible directions for pollution reduction and air quality improvement. The use of DEF – Phu My Green is considered a suitable interim solution that both protects the environment and ensures social well-being.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

"Instead of being forced to replace vehicles, citizens and transport businesses can choose a solution that extends vehicle lifespan, reduces emissions, and still saves costs,” Mr. Nguyen Xuan Hoa emphasized.

Mr. Nguyen Xuan Hoa, Chairman of the Board of Directors of PVFCCo – Phu My, affirmed three core commitments regarding the quality, price, and supply of the DEF – Phu My Green product for the market.

Mr. Nguyen Xuan Hoa affirmed that, as a member of Petrovietnam, PVFCCo – Phu My is fully aware of its responsibility in the green transition process. This commitment extends beyond fertilizer and chemical production to accompanying the Government, local authorities, and the business community on the journey toward sustainable development.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

He outlined three core commitments of PVFCCo – Phu My to Ho Chi Minh City and the Southeast region:

  1. Maintaining the quality of DEF – Phu My Green product according to international standards, ensuring engine safety, efficiency for the exhaust treatment system, and environmental friendliness.
  2. Keeping the price reasonable and transparent.
  3. Ensuring stable supply and expanding the distribution network.

He also expressed his hope that management agencies, Institutes, Universities, experts, Associations, and businesses will collaborate to widely disseminate the results and messages of the Workshop to the community. This effort aims to help people better understand the role of products like DEF – Phu My Green in contributing to the air quality improvement journey of the city and the region.

DEF – Phú Mỹ Xanh: Giải pháp giảm phát thải từ động cơ diesel

Product Information

DEF – Phu My Green, produced and launched by the Phu My Fertilizer Plant since June 2025, meets the ISO 22241 standard for composition and purity, according to analysis results from the international inspection organization SGS. It is available in various packaging types, from 10-liter jugs to 1,000-liter IBC tanks and tank trucks. It is widely distributed at gas stations and is ready to cooperate with large transport and logistics companies to make the product most convenient for users, contributing to emission reduction in the current period. Phu My also commits to consistently maintaining the international quality standard and providing the most reasonable price for DEF – Phu My Green.

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