Influence of fuel composition on polycyclic aromatic hydrocarbon emissions from a fleet of in-service passenger cars
Lim, McKenzie C.H., Ayoko, Godwin A., Morawska, Lidia, Ristovski, Zoran, & Jayaratne, Rohan (2007) Influence of fuel composition on polycyclic aromatic hydrocarbon emissions from a fleet of in-service passenger cars. Atmospheric Environment, 41(1), pp. 150-160.
The composition of exhaust emissions from eight in-service passenger cars powered by liquefied petroleum gas (LPG)and unleaded petrol (ULP) were measured on a chassis dynamometer at two driving speeds (60 and 80kmh1) with the aims of evaluating their polycyclic aromatic hydrocarbon (PAH) contents and investigating the effects of the type of fuel on vehicle performance, ambient air quality and associated health risks. Naphthalene, fluorene, phenanthrene, anthracene, pyrene, chrysene, benzo(a)anthracene and benzo(b)fluoranthene were the most prominent PAHs emitted by both ULP and LPG powered cars. The total emission factors of PAHs from LPG cars were generally lower than (but statistically comparable with) those of ULP cars. Similarly, the total BAPeq of the PAHs emitted by LPG cars were lower than those from ULP cars. Multi-criteria decision making (MCDM) methods showed that cars powered by LPG fuel performed better than those powered by ULP fuel in term of PAH levels. The implications of these observations on the advantages and disadvantages of using ULP and LPG fuels are discussed.
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|Item Type:||Journal Article|
|Additional Information:||For more information, please refer to the journal's website (see link) or contact the author. Author contact details: firstname.lastname@example.org|
|Keywords:||Liquefied petroleum gas, Unleaded petrol, Exhaust emission, Polycyclic aromatic hydrocarbons, Toxicity evaluation, and multivariate analysis|
|Subjects:||Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2007 Elsevier|
|Deposited On:||11 Dec 2006|
|Last Modified:||01 Mar 2012 09:12|
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