Life cycle assessment of alternative energy types – including hydrogen – for public city buses in Taiwan

Ching-Chih Chang, Yi Ting Liao, Yu Wei Chang

Research output: Contribution to journalArticle

Abstract

Human activities have exacerbated the global greenhouse effect, resulting in extreme climate changes that have caused disasters and food and water shortages in recent years. Transportation is one of the main causes of global greenhouse gas (GHG) emission. Therefore, policy makers must develop feasible strategies to reduce GHG emission. One of Taiwan's policy is to replace traditional diesel fuel urban buses with alternative energy buses. This paper uses a case study of city bus route No. 2 in Tainan City following the international standard ISO/TS 14067:2013 to measure the carbon footprint of different energy buses. The bus carbon footprints measured from high to low as: LNG buses, 63.14 g CO2e/pkm; traditional diesel buses, 54.6 g CO2e/pkm; liquefied petroleum gas (LPG) buses, 47.4 g CO2e/pkm; plug-in electric buses, 37.82 g CO2e/pkm, and hydrogen fuel cell buses, 29.17 g CO2e/pkm. If all urban area public buses in Taiwan were switched to hydrogen fuel cell buses, this would reduce CO2e footprint by 227,832.39 t annually. This reduction is equivalent to planting 22.78 million trees.

Original languageEnglish
Pages (from-to)18472-18482
Number of pages11
JournalInternational Journal of Hydrogen Energy
Volume44
Issue number33
DOIs
Publication statusPublished - 2019 Jul 5

Fingerprint

Taiwan
footprints
hydrogen fuels
Life cycle
greenhouses
Hydrogen
cycles
fuel cells
hydrogen
gases
liquefied natural gas
planting
greenhouse effect
diesel fuels
disasters
carbon
climate change
plugs
crude oil
food

All Science Journal Classification (ASJC) codes

  • Renewable Energy, Sustainability and the Environment
  • Fuel Technology
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

Cite this

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Life cycle assessment of alternative energy types – including hydrogen – for public city buses in Taiwan. / Chang, Ching-Chih; Liao, Yi Ting; Chang, Yu Wei.

In: International Journal of Hydrogen Energy, Vol. 44, No. 33, 05.07.2019, p. 18472-18482.

Research output: Contribution to journalArticle

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