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- Title
Test run evaluation of a blend of fuel-grade ethanol and regular commercial gasoline: its effect on engine efficiency and exhaust gas composition.
- Authors
Roayaei, Emad; Taheri, Kamran
- Abstract
The purpose of this study is to evaluate the performance of a nationally manufactured vehicle on a test run with a blend of fuel-grade ethanol and commercial regular gasoline. The results showed that, when 10% ethanol was added to the gasoline, general engine performance was 5–10% higher, which was due to the increase in octane number of the mixture. Nevertheless, according to the lower heat value of the mixture, fuel consumption was approximately 5% higher than the regular gasoline. Carbon monoxide (CO) and hydrocarbon (HC) emissions were dramatically lower because, when ethanol (an oxygenate) was added to the fuel, it had an influence on combustion reaction improvement. On the other hand, nitrogen oxides (NOx) emissions increased due to the higher temperature in the combustion chamber.
- Subjects
ETHANOL as fuel; GASOLINE; AUTOMOBILE engines; WASTE gases; CARBON monoxide; HYDROCARBONS; NITROGEN oxides
- Publication
Clean Technologies & Environmental Policy, 2009, Vol 11, Issue 4, p385
- ISSN
1618-954X
- Publication type
Article
- DOI
10.1007/s10098-009-0206-7