Performance and Emissions of Vehicles and Internal Combustion Engines
A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "B3: Carbon Emission and Utilization".
Deadline for manuscript submissions: 10 October 2025 | Viewed by 32
Special Issue Editors
Interests: fuel pretreatment systems; modern diesel engines; environment pollution; emission of toxic substances; power supply for engines; engine injection systems
Special Issues, Collections and Topics in MDPI journals
Interests: combustion engines; combustion process; fuel injection systems; engines emission; fuel; biofuel; fuel pretreatment systems; hybrid vehicles; environment pollution
Interests: tribology; sustainability; economic aspects; environmental, safety and social issues in the construction and operation of road transport vehicles
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Research on the performance and emissions of vehicles and internal combustion engines should focus on key aspects related to engine efficiency and environmental impact.
In terms of performance, it is crucial to analyze parameters such as power output, torque, thermal efficiency, and fuel consumption. The influence of various factors, including fuel type, intake and exhaust systems, operating temperature, and advanced combustion strategies, should be evaluated. Comparative studies of different technologies, such as direct fuel injection, turbocharging, and hybridization, are essential for optimizing engine performance.
Another critical aspect is emissions. Research should analyze CO₂ emissions, nitrogen oxides (NOₓ), particulate matter (PM), hydrocarbons (HCs), and carbon monoxide (CO). The impact of different fuels—gasoline, diesel, LPG, CNG, hydrogen, and biofuels—on emission levels must be investigated. Given increasingly stringent environmental regulations, studies should assess the effectiveness of emission reduction systems, including exhaust gas recirculation (EGR), particulate filters (DPF, GPF), three-way catalytic converters (TWCs), and selective catalytic reduction (SCR).
To enhance both performance and emission control, it is necessary to study advanced powertrain technologies such as modern fuel injection systems (common rail, gasoline direct injection - GDI), combustion strategies (HCCI, PCCI), turbocharging, and hybrid powertrains (mild-hybrid, full-hybrid, plug-in hybrid). Studies should take into consideration their real-world impact on fuel economy and emission reduction under various driving conditions.
From a methodological perspective, both experimental and computational approaches are essential. Laboratory tests on engine and chassis dynamometers allow for a precise evaluation of performance and emissions under controlled conditions, while real-world driving tests (WLTP, RDE) assess the behavior of powertrains in practical applications. Computational simulations, such as computational fluid dynamics (CFD) and thermodynamic modeling, are increasingly used to optimize combustion and emission processes.
Finally, research should consider the impact of regulatory frameworks on engine technology development. Stricter emission standards, such as EURO 6 and EPA Tier 3, drive the development of innovative solutions. Additionally, future studies should examine the role of internal combustion engines in the context of increasing vehicle electrification and the economic feasibility of alternative fuels, such as synthetic e-fuels.
In conclusion, research on vehicle and engine performance and emissions should encompass the analysis of efficiency-improving technologies and emission reduction strategies. A comprehensive approach combining experimental testing, computational modeling, and regulatory considerations is crucial for advancing sustainable internal combustion engine technologies.
Prof. Dr. Karol F. Abramek
Dr. Tomasz Osipowicz
Prof. Dr. Paweł Droździel
Guest Editors
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Keywords
- engine performance
- fuel consumption
- exhaust emissions
- combustion efficiency
- alternative fuels
- emission control technologies
- vehicle testing
- regulatory standards
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