Red Bull Formula 1 boss Christian Horner hopes that engine supplier Renault doesn't have a "Scrapheap Challenge" task on its hands in Abu Dhabi to solve further reliability problems. With the Formula 1 season nearing its end, and Renault's factory focus on developments for 2018, it has elected against producing any brand new parts for the final races. Instead, it has adopted a policy of using reconditioned items to get it through the final events of the year – as well as instructing its teams to turn down their engines to help reliability. But with items on the edge, there is now a risk that any further problems in Abu Dhabi will require Renault's staff to try to cobble together...
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