[1] Royal Inst Technol KTH, Stockholm, Sweden
[2] King Abdullah Petr Studies & Res Ctr, Riyadh, Saudi Arabia
[3] Loughborough Univ, Sch Social Sci & Environm, Loughborough, Leics, England
[4] Simon Fraser Univ, Sch Sustainable Energy Engn, 10285 Univ Dr, Surrey, BC V3T 4B7, Canada
[5] Imperial Coll, UK Ctr Environm Policy, London, England