
Combustion Engine
Emission
Though instrumental in driving societal advancement for over a century, conventional four-stroke combustion engines pose a significant environmental challenge. Their operation releases a multitude of harmful pollutants, including nitrogen oxides, carbon monoxide, hydrocarbons, and particulate matter. These emissions are directly linked to severe health issues, such as respiratory illnesses, while actively contributing to smog formation, acid rain, and climate change. Consequently, mitigating combustion engine pollution is crucial to safeguarding public health and ensuring a sustainable future.
The Dynamic Flow engine technology offers superior emission control across both gasoline and diesel platforms through its internal infinitely variable Exhaust Gas Recirculation (EGR) system. In gasoline engines, this setup drastically reduces carbon dioxide emissions, leaving a noticeably lighter environmental footprint. In diesel applications, the system significantly lowers carbon dioxide alongside nitrogen oxide, hydrocarbon, and particulate matter emissions.
Table: U.S. Annual Emission Improvement with Dynamic Flow Engine – By Transportation Sector
| Industrial Sector | Engine Type & Fuel Type | Total Carbon Dioxide Emission in Sector (Tg CO Equivalent) | Carbon Dioxide Reduction with Dynamic Flow Engine | Total Nitrous Oxide Emission in Sector (Tg CO Equivalent) | Nitrous Oxide Reduction with Dynamic Flow Engine |
| Marine Medium-speed and slow-speed diesel | 2-stroke and 4-stroke, diesel | 44.4 Million Metric Tons | 11.1 Million Metric Tons | 0.15 millions metric tons | Significant |
| Industrial Truck High-speed diesel | 4-stroke, diesel | 429.3 Million Metric Tons | 157.41 Million Metric Tons | 3.3 millions metric tons | Significant |
| Light-Duty Truck, and Car | 4-stroke, gasoline | 1005.5 Million Metric Tons | 586.54 Million Metric Tons | 5.5 millions metric tons | Non-significant |
| Motorcycle | 2-stroke, gasoline | 7.4 Million Metric Tons | 5.30 Million Metric Tons | 0.1 millions metric tons | Non-significant |
**Engine thermal efficiency data is based on Takaishi, Tatsuo, et al. “Approach to High Efficiency Diesel and Gas Engines.” Mitsubishi Heavy
Industries Technical Review, vol. 45, no. 1, 2008.
**U.S. Annual CO2 emission and nitrous oxide estimation is based on EPA Fast Facts U.S. Transportation Sector for 2022.
**The Industrial Truck sector includes Medium- and Heavy-Duty Trucks, and buses.
**Greenhouse gas emissions in the United States are most commonly expressed as “teragrams of carbon dioxide equivalents” (Tg CO2 Eq.).
Overall, Dynamic Flow engine technology presents a compelling solution for mitigating the transportation sector’s environmental impact. By achieving superior thermal efficiency, these innovative engines significantly cut carbon dioxide emissions across diverse applications ranging from massive cargo ships to personal vehicles. Furthermore, cleaner operation is realized through precise air-fuel control paired with the internal EGR system, minimizing the release of smog-forming compounds and airborne particulates. In essence, Dynamic Flow engines hold immense potential to help meet stricter emission standards, simultaneously enhancing efficiency and curbing toxic pollutants to build a cleaner, more sustainable world.
