References
- Avfall Sverige. 2008. Frivilligt åtagande Kartläggning av metanförluster från biogasanläggningar 2007-2008 (Voluntary Commitment Mapping of methane losses from biogas plants 2007-2008). Development/2009U. Malmö, Sweden: Avfall Sverige AB.
- Benjaminsson, J. 2011. Personal communication. Malmö, Sweden: Swedish Gas Center AB.
- Benjaminsson, J., and R. Nilsson. 2009. Distributionsformer för biogas och naturgas i Sverige (Distribution of biogas and natural gas in Sweden). Stockholm: Grontmj AB.
- European Commission Eurostat. 2011. Transport energy consumption and emissions, 2004. http://epp.eurostat.ec.europa.eu/statistics_explained/index.php?title=File:Transport_energy_consumption_and_emissions,_2004.PNG&filetimestamp=20090430100043 (accessed June 5, 2011).
- GTS Gastreatment Services BV. 2014. Technology. http://www.gastreatmentservices.com/en/?option=com_content&view=article&id=33&Itemid=46&lang=en (accessed March 3, 2014).
- Henrik, N. 2011. Personal communication. Gothenburg, Sweden: Cryo AB.
- Karlsson, L. E. 2011. Biogas Upgrading Division. Kalmar, Sweden: Läckeby Water Group. Personal communication.
- Kramer, S. 2011. Personal communication. Rotterdam, Netherlands: Gastreatment Services BV.
- Malmberg. 2014. Reliability and Easy maintenance with Malmberg COMPACT ®. (Translated from Swedish to English). http://www.malmberg.se/biogas/malmberg_compact_1 (accessed March 3, 2014).
- Näslund, D. 2011. Personal communication. Åhus, Sweden: Näslund, Malmberg Water AB.
- Patterson, T., S. Esteves, R. Dinsdale, and A. Guwy. 2011. An evaluation of the policy and techno-economic factors affecting the potential for biogas upgrading for transport fuel use in the UK. Energy Policy 39 (3):1806–16. doi:10.1016/j.enpol.2011.01.017.
- Pertl, A., P. Mostbauer, and G. Obersteiner. 2010. Climate balance of biogas upgrading systems. Waste Management 30 (1):92–99. doi:10.1016/j.wasman.2009.08.011.
- Purac Puregas. 2014. The CApureTM process. http://purac-puregas.com/?page_id=58 (accessed March 3, 2014).
- Salm, K. V. D. 2011. Personal communications. Gothenburg, Sweden: Teracastus Technologies AB.
- Schmuderer, M. 2010. Overview, operational experience and perspectives of biogas upgrading technologies. Paper presented at international conference on the road with CNG and Biomethane, Prague, February 4–5.
- Terracastus technologies. 2014. Technology for clean and upgrading biogas. http://www.businessregion.se/download/18.3b74207e11cacd3cffe80008761/Production+of+liquified+biomethane+Terracastus+Technology_Johan+Beyer+&+Bill+Brown.pdf (accessed March 3, 2014).
- USQ (University of Southern Queensland). 2008. A benchmarking framework for the university of Southern Queensland. Huston: American Productivity and Quality Cente.