Effect of Unleaded Gasoline—Biofuel Blends on Exhaust Emissions

2017 ◽  
Vol 53 (5) ◽  
pp. 754-758 ◽  
Author(s):  
De-Xing Peng
2013 ◽  
Vol 17 (1) ◽  
pp. 291-297 ◽  
Author(s):  
Şehmus Altun ◽  
Hakan Öztop ◽  
Cengiz Öner ◽  
Yasin Varol

2017 ◽  
Vol 69 (2) ◽  
pp. 208-214 ◽  
Author(s):  
De-Xing Peng

Purpose To prolong engine life and reduce exhaust pollution caused by gasoline engines, the aim of this paper was to compare the lubrication properties of biofuel (ethanol) blends and pure unleaded gasoline. Design/methodology/approach Biofuels with a concentration of 0, 1, 2, 5 and 10 per cent were added to unleaded gasoline to form ethanol-blended fuels named E0, E1, E2, E5 and E10. Next, the ethanol-blended fuels and unleaded gasoline were used to power engines to facilitate comparisons between the pollution created from exhaust emissions. Findings Using ethanol as a fuel additive in pure unleaded gasoline improves engine performance and reduces exhaust emissions. Because bioethanol does not contain lead but contains low aromatic and high oxygen content, it induces more complete combustion compared with conventional unleaded gasoline. Originality/value Using biofuels as auxiliary fuel reduces environmental pollution, strengthens local agricultural economy, creates employment opportunities and reduces demand for fossil fuels.


2000 ◽  
Vol 122 (4) ◽  
pp. 239-247 ◽  
Author(s):  
Abdulghani A. Al-Farayedhi ◽  
A. M. Al-Dawood ◽  
P. Gandhidasan

The current paper examines the effects of using MTBE as a replacement of lead additives in gasoline on exhaust emissions of a typical SI engine. The MTBE was blended with a base unleaded fuel in three ratios (10, 15, and 20 vol. percent). The emissions of CO, HC, and NOx were measured at a variety of engine operating conditions using an engine dynamometer setup. The results of the MTBE blends were compared to those of the base fuel and of a leaded fuel prepared by adding TEL to the base. With respect to the base fuel, the addition of MTBE decreased the CO emissions, decreased the HC emissions at most operating conditions, but generally increased the NOx emissions. The emissions results for the leaded fuel were comparable to those of the base fuel. [S0195-0738(00)00103-5]


2006 ◽  
Vol 31 (15) ◽  
pp. 2534-2542 ◽  
Author(s):  
Tolga Topgül ◽  
Hüseyin Serdar Yücesu ◽  
Can Çinar ◽  
Atilla Koca

2014 ◽  
Vol 158 (3) ◽  
pp. 80-92
Author(s):  
Martynika PAŁUCHOWSKA ◽  
Zbigniew STĘPIEŃ ◽  
Grażyna ŻAK

This paper presents the progress in the introduction of fuels of higher content of ethanol and vehicle models adapted for fuelling with this type of fuels (FFV). Trends in the European legislation related to the standards of spark ignition engines exhaust emissions have been discussed. The results of a study of unleaded gasoline E10 proneness to forming deposits on the test engine intake valves in accordance with CEC F-20-98 test procedure have been presented. The paper also presents the results of a study of ethanol E85 proneness to forming deposits on the elements of the engine intake system when it contained inappropriate detergent additives.


2009 ◽  
Vol 34 (10) ◽  
pp. 2101-2106 ◽  
Author(s):  
Mustafa Koç ◽  
Yakup Sekmen ◽  
Tolga Topgül ◽  
Hüseyin Serdar Yücesu

Author(s):  
Gene R. Grieger

The size range of exhaust emissions from automobiles tends to be below the limit of resolution of the light microscope. There is at the present time considerable interest in the particulate emissions from automobiles both using leaded and unleaded gasoline and in particular there is interest in modifications to thes-e emissions which may occur for example by the use of catalytic converters in exhaust systems.


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