“…• Use controller to adjust set points remotely (Verdijck and Van Straten, 2002) • Reduce number of transhipment (Rodrigue and Notteboom, 2015) • Switch on and off reefer power connection (Fitzgerald et al, 2011) • Realize container monitoring system (Huh et al, 2016) • Use intelligent containers (Lang et al, 2011) • Use triangulation scheme (Van den Berg and De Langen, 2014) • Make decision on container leasing (Chao and Chen, 2015) • Apply vessel pooling (World Shipping Council, 2015) • Apply slow steaming strategy (Cheaitou and Cariou, 2012) • Realize vessel size leverage (Bömer and Tadeu, 2014) • Use energy efficient refrigeration unit (Haass et al, 2015) • Schedule reliability (Haass et al, 2015) • Shipping cost (Cheaitou and Cariou, 2012) • Resource investment cost (Haass et al, 2015) • Number of container handling, e.g., precleaning, manual inspection (Sørensen et al, 2014) • Fuel usage for cooling (Fitzgerald et al, 2011) • Fuel usage for shipment (Cheaitou and Cariou, 2012) • Transit time (Cheaitou and Cariou, 2012) • Reefer unconnected time (Rodrigue and Notteboom, 2015) • Empty movements (Chao and Chen, 2015) Terminal operator (Rodrigue and Notteboom, 2009) • Provide reefer monitoring service, e.g. PTI of reefer engine, repair (Expert)…”