[1] Saudi Aramco, Technol Strategy & Planning Dept, Technol Outlook & Strategy, Dhahran 34481, Saudi Arabia
[2] Imperial Coll London, Dept Chem Engn, London SW7 2BX, England
[3] Univ Tecn Ambato, Fac Ingn Civil & Mecan, Carrera Ingn Mecan, Ave Chasquis & Rio Payamino, Ambato 180207, Ecuador
[4] IIASUR, Inst Appl Sustainabil Res, Quito 170806, Ecuador
[5] Politecn Milan, Sch Management, I-20156 Milan, Italy
[6] RFF CMCC EIEE, I-20144 Milan, Italy
[7] Griffith Univ, Sch Engn & Built Environm, Brisbane, Qld 4111, Australia
[8] Univ Politecn Valencia, Inst Ingn Energet, Valencia 46022, Spain