Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia

A life cycle assessment has been undertaken in order to determine the environmental feasibility of hydrogen as an automotive fuel in Western Australia. The criterion for environmental feasibility has been defined as having life cycle impacts equal to or lower than those of petrol. Two hydrogen produ...

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Main Authors: Biswas, Wahidul, Thompson, Brett, Islam, Mohammad Nazrul
Format: Journal Article
Published: Elsevier Ltd 2012
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/28906
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author Biswas, Wahidul
Thompson, Brett
Islam, Mohammad Nazrul
author_facet Biswas, Wahidul
Thompson, Brett
Islam, Mohammad Nazrul
author_sort Biswas, Wahidul
building Curtin Institutional Repository
collection Online Access
description A life cycle assessment has been undertaken in order to determine the environmental feasibility of hydrogen as an automotive fuel in Western Australia. The criterion for environmental feasibility has been defined as having life cycle impacts equal to or lower than those of petrol. Two hydrogen production methods have been analysed. The first is steam methane reforming (SMR), which uses natural gas (methane) as a feedstock. The second method analysed is alkaline electrolysis (AE), a mature technology that uses water as a feedstock. The life cycle emissions and impacts were assessed per kilometre of vehicle travel. Initial results found that hydrogen production under the SMR scenario produced less greenhouse gas, photochemical oxidation and eutrophication emissions per kilometre than petrol. Petrol produced less greenhouse gas and eutrophication emissions than hydrogen produced under the AE scenario, but the only improvement was in the terms of photochemical oxidation missions. “Hotspot” analysis showed that while the usage life cycle phase of hydrogen produced very few emissions, the reliance on electricity and fossil fuels during production was responsible for emission levels higher than those from petrol. After wind-generated electricity was incorporated, the emissions were significantly reduced below the levels of those from petrol under both SMR and AE scenarios. However, with the incorporation of wind-generated electricity, the production of hydrogen, particularly from electrolysis, is more environmentally friendly than the SMR process.
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spelling curtin-20.500.11937-289062017-09-13T15:17:39Z Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia Biswas, Wahidul Thompson, Brett Islam, Mohammad Nazrul Environmental feasibility Life cycle assessment Hydrogen fuel A life cycle assessment has been undertaken in order to determine the environmental feasibility of hydrogen as an automotive fuel in Western Australia. The criterion for environmental feasibility has been defined as having life cycle impacts equal to or lower than those of petrol. Two hydrogen production methods have been analysed. The first is steam methane reforming (SMR), which uses natural gas (methane) as a feedstock. The second method analysed is alkaline electrolysis (AE), a mature technology that uses water as a feedstock. The life cycle emissions and impacts were assessed per kilometre of vehicle travel. Initial results found that hydrogen production under the SMR scenario produced less greenhouse gas, photochemical oxidation and eutrophication emissions per kilometre than petrol. Petrol produced less greenhouse gas and eutrophication emissions than hydrogen produced under the AE scenario, but the only improvement was in the terms of photochemical oxidation missions. “Hotspot” analysis showed that while the usage life cycle phase of hydrogen produced very few emissions, the reliance on electricity and fossil fuels during production was responsible for emission levels higher than those from petrol. After wind-generated electricity was incorporated, the emissions were significantly reduced below the levels of those from petrol under both SMR and AE scenarios. However, with the incorporation of wind-generated electricity, the production of hydrogen, particularly from electrolysis, is more environmentally friendly than the SMR process. 2012 Journal Article http://hdl.handle.net/20.500.11937/28906 10.1016/j.ijhydene.2012.10.044 Elsevier Ltd fulltext
spellingShingle Environmental feasibility
Life cycle assessment
Hydrogen fuel
Biswas, Wahidul
Thompson, Brett
Islam, Mohammad Nazrul
Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia
title Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia
title_full Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia
title_fullStr Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia
title_full_unstemmed Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia
title_short Environmental life cycle feasibility assessment of hydrogen asan automotive fuel in Western Australia
title_sort environmental life cycle feasibility assessment of hydrogen asan automotive fuel in western australia
topic Environmental feasibility
Life cycle assessment
Hydrogen fuel
url http://hdl.handle.net/20.500.11937/28906