Gaseous fuel for lower emissions during the cold start and warming up of spark ignition engines

Alashaab, Ahmed; Saleh, Hanan; Abo-Serie, Essam; Rabee, Basem A.; Aal, Mohsen Abdel

doi:10.1504/ijgw.2016.077909

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Effects of fuel and driving conditions on particle number emissions of China-VI gasoline vehicles: based on corrections to test results

Miao,

Zhang,

Wang

et al. 2024

Environ Monit Assess

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Effects of fuel and driving conditions on particle number emissions of China-VI gasoline vehicles: based on corrections to test results

Miao,

Zhang,

Wang

et al. 2024

Environ Monit Assess

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Impact of the Internal Combustion Engine Thermal State during Start-Up on the Exhaust Emissions in the Homologation Test

et al. 2023

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Due to the increasingly restrictive exhaust emissions requirements from conventional vehicles, the internal combustion engine start-up seems to be most important part of engine operation. The period immediately after starting the engine is the time when the exhaust emissions are highest, thus, this aspect is currently subject to heavy analysis. The article evaluates the impact of the engine thermal state during its start-up for a Euro 5 emission class vehicle type approval test. The engine thermal state during start-up turned out to have a crucial influence (throughout the approval test) on the results of the hydrocarbons road emission (a difference of about 1500%) and the road emission of carbon monoxide (63%). The remaining road exhaust emission values were less sensitive to the thermal state of the engine during start-up—the nitrogen oxides emission value increased by 18% (for a cold start compared to a hot start), and the road fuel consumption (and thus the emission of carbon dioxide) increased by about 6%. In conclusion, the authors refer to technical solutions that may have a significant impact on reducing the exhaust emissions in the considered period of engine cold start.

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Analysis of Cold Start Emission from Light Duty Vehicles Fueled with Gasoline and LPG for Selected Ambient Temperatures

Jaworski¹,

Mądziel²,

Kuszewski³

et al. 2020

SAE Technical Paper Series

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Gaseous fuel for lower emissions during the cold start and warming up of spark ignition engines

Cited by 3 publications

References 0 publications

Effects of fuel and driving conditions on particle number emissions of China-VI gasoline vehicles: based on corrections to test results

Effects of fuel and driving conditions on particle number emissions of China-VI gasoline vehicles: based on corrections to test results

Impact of the Internal Combustion Engine Thermal State during Start-Up on the Exhaust Emissions in the Homologation Test

Analysis of Cold Start Emission from Light Duty Vehicles Fueled with Gasoline and LPG for Selected Ambient Temperatures

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