Specific CO2 emissions analysis in real driving conditions using commercial gasoline and liquefied petroleum gas
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| Status: | |
| Autorzy: | Rimkus Alfredas, Kozłowski Edward, Zimakowska-Laskowska Magdalena, Matijošius Jonas, Wiśninowski Piotr |
| Dyscypliny: | |
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| Wersja dokumentu: | Drukowana | Elektroniczna |
| Język: | angielski |
| Strony: | 152 - 162 |
| Efekt badań statutowych | NIE |
| Materiał konferencyjny: | TAK |
| Nazwa konferencji: | 16th International Conference Transportation Science and Technology |
| Skrócona nazwa konferencji: | 16th TRANSBALTICA 2025 |
| URL serii konferencji: | LINK |
| Termin konferencji: | 18 września 2025 do 19 września 2025 |
| Miasto konferencji: | Wilno |
| Państwo konferencji: | LITWA |
| Publikacja OA: | NIE |
| Abstrakty: | angielski |
| Reducing CO2 emissions from road transport remains a key challenge for climate policy. This article compares specific CO2 emissions (mg/rev) in real-world urban driving conditions for a vehicle fuelled with E10 gasoline and LPG. The tests were conducted using the RDE method in Vilnius, Lithuania, using a portable exhaust gas analyser and OBD2 data. Emissions were analysed as a function of engine load and speed to standardise the comparison, using interpolated emission maps and engine operating probability distributions. The results indicate that the LPG-powered vehicle emitted an average of 8.4% less CO2 per crankshaft revolution than the E10-powered vehicle. Furthermore, LPG combustion was characterised by lower emission variability and a more uniform emission distribution, indicating a more stable combustion process. These differences are significant from the perspective of energy efficiency and the accuracy of the emission inventory under real-world conditions. The methodology enables precise comparison of the impact of fuels on emissions, regardless of driving style and travel time, and can provide a basis for developing predictive emission models for on-board systems and diagnostic tools. |
