Life Cycle Greenhouse Gas Reductions According to Sectors Using Green Hydrogen: Comparison of Transportation Sector and Other Sectors

Wonjae Choi

Research output: Contribution to journalArticlepeer-review

Abstract

This study evaluates the life cycle greenhouse gas reductions using hydrogen in the load transportation sector as well as the power generation and steel industry sectors. The life cycle greenhouse gas emissions of coal, gasoline, diesel, natural gas, and electricity have been referenced from the author's previous studies for calculation purposes. Results showed that using hydrogen in light-duty and heavy-duty vehicles reduce 21.4 and 12.5 kg-CO2 -eq./kg-H2, respectively. Using hydrogen in the steel industry can reduce 24.2 kg-CO2-eq./kg-H2, which is larger than the load transportation values. Using hydrogen in fuel cell power generation can reduce 10.0 kg-CO2 -eq./kg-H2, which is smaller than the load transportation values, when the generated power replaces the national average electricity. Finally, the life cycle greenhouse gas reductions were compared with the life cycle greenhouse gas emissions of various hydrogen production methods.

Original languageEnglish
Pages (from-to)793-799
Number of pages7
JournalTransactions of the Korean Society of Automotive Engineers
Volume30
Issue number10
DOIs
StatePublished - Oct 2022

Bibliographical note

Publisher Copyright:
© 2022 KSAE.

Keywords

  • Green hydrogen
  • Greenhouse gash
  • Heavy duty vehicle
  • Life cycle anarysis
  • Light duty vehicle
  • Transportation

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