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Environmental Impact and Energy Production: Evaluation of Biochar Application on Taiwanese Set-Aside Land

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  • Chih-Chun Kung
  • Bruce A. McCarl
  • Chi-Chung Chen
  • Xiaoyong Cao

Abstract

Taiwan imports more than 99% of her energy and suffers from climate change effects such as rising ocean level. Therefore, energy insecurity and GHG emissions offset are two serious problems facing Taiwan. This paper examines the possibilities for domestic bioenergy production in Taiwan utilizing set-aside land. Three bioenergy alternatives are examined: Pyrolysis-based bioelectricity, conventional bioelectricity and ethanol. We examine the comparative economics and choices among these alternatives under current Taiwanese agricultural system policies and also under altered energy and greenhouse gas/carbon prices. Biochar, produced from pyrolysis, is also investigated for different uses: whether it is best used as an energy source and/or a soil amendment. The study employs modified Taiwanese Agricultural Sector Model (TASM) to simulate the effects of the alternatives in the face of energy and greenhouse gases prices. Results show that ethanol production is chosen under current conditions but that this is replaced by pyrolysis-based bioelectricity when the GHG price is high. The results also indicate that Taiwan's energy security can be enhanced by domestic bioenergy production and up to1.59% of total GHG emissions can be offset.

Suggested Citation

  • Chih-Chun Kung & Bruce A. McCarl & Chi-Chung Chen & Xiaoyong Cao, 2014. "Environmental Impact and Energy Production: Evaluation of Biochar Application on Taiwanese Set-Aside Land," Energy & Environment, , vol. 25(1), pages 13-39, February.
    • Handle: RePEc:sae:engenv:v:25:y:2014:i:1:p:13-39
    DOI: 10.1260/0958-305X.25.1.13
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    References listed on IDEAS

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    1. Darius M. Adams & Ralph J. Alig & DBruce A. McCarl & John M. Callaway & Steven M. Winnett, 1999. "Minimum Cost Strategies for Sequestering Carbon in Forests," Land Economics, University of Wisconsin Press, vol. 75(3), pages 360-374.
    2. Bruce A. McCarl & Uwe A. Schneider, 2000. "U.S. Agriculture's Role in a Greenhouse Gas Emission Mitigation World: An Economic Perspective," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 22(1), pages 134-159.
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    5. RICHARD M. Adams & DARIUS M. Adams & JOHN M. Callaway & CHING‐CHENG Chang & BRUCE A. Mccarl, 1993. "Sequestering Carbon On Agricultural Land: Social Cost And Impacts On Timber Markets," Contemporary Economic Policy, Western Economic Association International, vol. 11(1), pages 76-87, January.
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    9. Keith H. Coble & Ching-Cheng Chang & Bruce A. McCarl & Bobby R. Eddleman, 1992. "Assessing Economic Implications of New Technology: The Case of Cornstarch-Based Biodegradable Plastic," Review of Agricultural Economics, Agricultural and Applied Economics Association, vol. 14(1), pages 33-43.
    10. Searchinger, Timothy & Heimlich, Ralph & Houghton, R. A. & Dong, Fengxia & Elobeid, Amani & Fabiosa, Jacinto F. & Tokgoz, Simla & Hayes, Dermot J. & Yu, Hun-Hsiang, 2008. "Use of U.S. Croplands for Biofuels Increases Greenhouse Gases Through Emissions from Land-Use Change," Staff General Research Papers Archive 12881, Iowa State University, Department of Economics.
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