To draw conclusions from discussing the topics in sustainable engineering management, the compulsory targets are recognised to establish characterising facts, driven by economic instruments (Hang, 2006), (Knight, 1965): ï‚· the producers responsibility principle, as it surfaces from the EU directives, with regards of the dismissal/ dismantling/recovery requirements; ï‚· the law frame, given by the recover (reuse/recycle) compulsory targets, as economic instruments for process effectiveness with return on investment; ï‚· the example regulation enacted for ELV and WEEE, by free-take-back, grounded on recycling visible-fees and design-for-dismantling/recovering rules;