Levi, T. (2012). Future Coal, IEA CCC Workshop on efficiency improvements in existing coal-fired power plants, Melbourne: April 2012.  For copies of this report please contact Dr Tana Levi.

Levi, T. (2011). CRL Energy – an update on project progress. BTSL Research Group and Advisory Board, Christchurch : December 2011.   For copies of this report please contact Dr Tana Levi.

Levi, T. (2011). Fuel production from coal and biomass in New Zealand . Advanced Biofuels Research Network Science Symposium, Wellington : November 2011. Presentation: Link to PDF (3 MB) on EnergyFed site.

Smith, M. & Kolokolova, O. (2011). Torrefaction of woody biomass in a continuous reactor. Advanced Biofuels Research Network Science Symposium, Wellington : November 2011. Presentation: Link to PDF (2 MB) on EnergyFed site.

Whitney, R. S., Levi T. P., & Gardiner, A. I. (2011). A Technology Package Utilising Coal, Biomass and Intermittent Renewable Electricity. In: Proc.  5^th International Conference on Clean Coal Technologies,  Zaragoza, Spain: May  2011. Link to abstract only.

Xu, Q., Shusheng Pang, S., & Levi, T. (2011).  Reaction kinetics and producer gas compositions of steam gasification of coal and biomass blend chars, Part 1: Experimental investigation. Chemical Engineering Science Journal,  66, 10, 2141-2148

Xu, Q., Shusheng Pang, S., & Levi, T. (2011). Reaction kinetics and producer gas compositions of steam gasification of coal and biomass blend chars, part 2: Mathematical modelling and model validation.  Chemical Engineering Science Journal, 66, 10, 2232-2240 

Iwasaki, Y., & Levi, T. (2010). Testing of biomass/coal blends for co-gasification. In: Proc. SCION Science Symposium – Next Generation Liquid Biofuels and Co-products,  Rotorua, New Zealand: December 2010. Link to abstract only.

Levi, T.P., Gardiner, A.I., Whitney, R., Iwasaki, Y., Pang, S., Xu Q. , & Clemens, A. (2010). Coal:Biomass Gasification – A pathway for new technology development of oxygen blown co-fired gasification with integrated electrolysis. In: Proc. 27th Annual International Pittsburg Coal Conference, Istanbul, Turkey: October 2010. Link to abstract only.

Xu, Q., Shusheng Pang, S., & Levi, T. (2010).  Mathematical Modeling and Experimental Validation of Steam Gasification of Coal Biomass Chars. In:  Proc. The 13^th Asia Pacific Confederation of Chemical Engineering Congress, Taipei: October 2010.

Clemens, A., Seifert, S., Calo, J., Bain, E., Locke, D., & Winans, R. (2009). Direct observation of CO₂ injection into coal using small angle X-ray scattering (SAXS), In: Proc. 26^th Annual International Pittsburgh Coal Conference. Pittsburgh, USA: University of Pittsburgh. Link to abstract only.

Clemens, A., Harms, S., Levi, T., Whitney, R. & Gardiner, A. (2009). Successful completion of the development and testing of a coal to fuel cell grade hydrogen technology package for New Zealand . In: Proc. Clean Coal Technologies 2009 (CCT2009) Conference. Dresden, Germany: IEA Clean Coal Centre, Forschungszentrum Jülich, and the University of Freiberg. Link to conference site (requires sign in).

Clemens, A., Levi, T., Gardiner, A., Smit, R. & Leaver, J. (2008). Development and testing of a coal to fuel cell grade hydrogen technology package and a pathway for hydrogen uptake in New Zealand. In: Proc. 25th Annual International Pittsburgh Coal Conference. Pittsburgh, USA: University of Pittsburgh.

Clemens, A.H. (2006). Towards a fuel cell future? In: National Gas Review. Autumn 2006. Wellington: Gas Association of New Zealand.

Clemens, A., Gong, D., & Pearce, S. (2006). Study on the suitability of New Zealand coals for hydrogen production. In: International Journal of Coal Geology. vol. 65, no 3-4 (18 ref.), pp. 235-242 [8 page(s) (article)], Link to Abstract.

Brown, R.K. (2005, October). Importance of gasification to New Zealand’s energy future. In: Proceedings from the New Zealand Gas Engineers Industry Conference 2005. Wellington: New Zealand Gas Engineers Industry Conference.

Clemens, A.H. (March 2005). Hydrogen and fuel cell RD & D activities in New Zealand. Presentation to: Latin American Forum and IPHE ILC Meeting. Rio de Janeiro.

Clemens, A.H. (March 2005). The role of lignites in a hydrogen energy future for New Zealand. Presentation to: Southland Ventures Forum Lignites Symposium, Invercargill.

Clemens A.H. (2005, October 12). A hydrogen energy economy for New Zealand. Presentation to: The Energy Federation of New Zealand Future Technologies Symposium 2005. Wellington: CRL Energy Ltd.

Clemens, A.H., Brown, R.K., & Pearce S.M. (2005, September). Commissioning of a coal to fuel cell grade hydrogen technology package. In: Proceedings from The Pittsburgh International Coal Conference 2005. Pittsburgh, USA: Pittsburgh International Coal Conference.

Clemens, A.H., Brown, R.K., & Pearce S.M. (2005, September). Commissioning of a coal to fuel cell grade hydrogen technology package. Presentation to: The Pittsburgh International Coal Conference 2005. Pittsburgh, USA: CRL Energy.

Thomas, L.E. (2005, July/August). Fuel of the future. In e.nz. 6 (4), pgs 36-40. Wellington: IPENZ. Link no longer available - for hard copies see IPENZ site at http://e.nz-magazine.co.nz/main.htm.

Whitney R. & Clemens A. (2005, September 29-30). Priority research requirements for a hydrogen economy. Presentation to: Energy Research Investment Strategy Workshop. Wellington: CRL Energy Ltd.

Clemens, A.H. & Matheson, T.W. (February 2004). A New Coal Technology Package for the Hydrogen Energy Economy. Information booklet for the Official Hydrogen Gasifier Launch, CRL Energy Limited.

Boniface, M., Clemens, A.H., & Pearce, S.M. (September 2004). Study on the suitability of New Zealand coals for hydrogen production. In: Proceedings of the 21st International Pittsburgh Coal Conference, Osaka, Japan.

Brown, R., Clemens, A.H., & Pearce, S.M. (25 November 2004). Hydrogen – the new energy carrier. Presentation at: Future Energy Technologies Symposium, Wellington.

Clemens, A.H. (October 2004). Generation of hydrogen from coal in New Zealand. Presentation at: 13th  International  Conference  on  Coal  Research. Shanghai, China.

Pearce, S.M., Clemens, A.H., & Brown, R. (25 August 2004). Hydrogen – a long term future for the coal industry. Presentation to: Coal Association of New Zealand. Wellington: CRL Energy

Whitney, R.S. (18 November 2004). Hydrogen—a long-term future for the coal industry. In: People and Energy: How Do We Use It?. Proceedings of People and Energy conference. Christchurch: Royal Society of New Zealand.

Clemens, A.H., Gong, D., & Pearce, S.M. (September 2003). Hydrogen from New Zealand Coal. Article 40-4. In: Proceedings from the 20th International Pittsburgh Conference. Link to abstract.

Thomas, L.E. (June 2003). New Zealand’s Fuel Cell Future. Special Issue. Energywise News. Issue 82. Wellington: Energy Efficiency and Conservation Authority (EECA). Link no longer available, for hard copies please contact EECA.

Thomas, L.E. (2003). Hydrogen, Fuel Cells, Energy. Alpha 118. Wellington: Royal Society of New Zealand.

Clemens, A.H., Gong, D., Pearce, S.M., & Matheson, T.W. (October 2002). New combustion, gasification and hydrogen-based energy technologies for the 21st Century. In: Proceedings of the New Zealand Energy Conference. Wellington.