ALT Furthermore, some literature argues that the key to cost-effectiveness is not necessarily a reduction in 14 costs of technologies, but a know-how and skills of their choosing, combining, sequencing, and timing 15 to take the most benefits of their interdependence, complementarity, and synergy as illustrated by many 16 examples (Lovins 2018; Ürge-Vorsatz et al. 2020). However, the scenarios reviewed lack such 17 approaches in their cost assessments. Few indicative examples of cost reduction at scale were provided 18 though not by the scenario literature, but case studies of the application of One-Stop Shop (OSS) 19 approach at scale (see Section 9.9.4). In 2013, the Dutch Energiesprong network brokered a deal 20 between Dutch building contractors and housing associations to reduce the average retrofit costs from 21 EUR 130,000 down to 65,000 for 111,000 homes with building prefabrication systems and project 22 delivery models while targeting energy savings of 45–80% (Ürge-Vorsatz et al.

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ALT Distracted boyfriend meme showing captions: "All other energy policy measures", "Everyone" and "Energy efficiency"