1. Alvik S, Eide MS, Endresen Ø, Hoffmann P, Longva T (2009) Pathways to low carbon shipping: Abatement potential towards 2030. DNV, Norway
2. Buhaug Ø, Corbett JJ, Endresen Ø, Eyring V, Faber J, Hanayama S, Lee DS, Lee D, Lindstad H, Markowska AZ, Mjelde A, Nelissen D, Nilsen J, Pålsson C, Winebrake JJ, Wu WQ, Yoshida K (2009) Second IMO GHG study 2009. IMO document MEPC59/INF.10
3. CBO (2008) Policy options for reducing CO2 emissions. The Congress of the United States, Congressional Budget Office, Washington DC
4. Devanney JW (2010) The impact of EEDI on VLCC design and CO2 emissions. www.c4tx.org. Accessed 4 April 2012
5. Devanney J (2011) Direct taxation is the best way to curb CO2 emissions. http://www.lloydslist.com/ll/sector/ship-operations/article369504.ece. Accessed 4 May 2011