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Admixture Evaluation for Fuel Economy and Emissions by New Indian Motorcycle Driving Cycle
Technical Paper
2023-01-0886
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This research evaluates the fuel economy and emissions of admixtures called gasoline multifunction additive (GMFA) and 10% ethanol blended gasoline against neat gasoline using newly developed Indian Motorcycle Driving Cycle with a BS VI motorcycle, also compared the performance of new cycle with the WMTC for the driving cycle parameters, fuel economy and emissions. The vehicles fuel economy and emissions factors are influenced by not only vehicle type, but also the road infrastructure and traffic patterns followed. The standard driving cycles do not replicate the real-world fuel economy and emissions as these cycles are very old and do not represent current traffic scenario.
A real-world driving cycle was made based on micro-trips approach by analyzing the real-world time-speed data collected in four different pre-determined routes in Delhi-NCR region.. The developed cycle was validated on chassis dynamometer with neat gasoline, admixture gasoline (gasoline blended with multifunctional additive and 10% ethanol blended gasoline) and compared the performance with WMTC.
The fuel economy of new cycle was found lower than the WMTC by 0.5% to 1.5%. The emissions measured were higher than the WMTC by 104.4% to 120.2% for CO, and 13.4% to 24.1% for HC, 0.9% to 4.5% for CO2 emissions and a mixed trend was observed for NOx emissions. The higher vehicular emissions and lower fuel economy show that the new cycle is more severe than the WMTC cycle representing the real-world driving pattern in India. The fuel economy and emissions comparison of admixture gasoline and E10 gasoline against neat gasoline show clear discrimination among the fuels blends; hence the adoption of new cycle for fuel economy and emissions of new generation motorcycles will be more appropriate in India. This study has demonstrated the influence of traffic and road infrastructure on vehicular emissions, and can be used by policy makers to regulate the vehicular pollution in the country.
Authors
Citation
Sithananthan, M., Kumar, R., and Saxena, D., "Admixture Evaluation for Fuel Economy and Emissions by New Indian Motorcycle Driving Cycle," SAE Technical Paper 2023-01-0886, 2023, https://doi.org/10.4271/2023-01-0886.Also In
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