Renault have come under a lot of criticism so far this season for the unreliability of their engines. However to me, excluding Mercedes, Renault have shown how car manufacturers should operate in Formula One.
The French car manufacturer returned in 2000 by buying the Benetton team. After getting back up to speed they changed the name of the team in 2002, when they felt they were competitive enough. They would only have to wait a year for their first victory as Fernando Alonso won the 2003 Hungarian Grand Prix.
They continued to improve which culminated in winning the drivers and constructors titles in 2005 and 2006.
From 2008, many of the car manufacturers that had entered the sport in the early 2000s left, with Honda, Toyota and BMW all departing. Renault remained, but eventually sold their team in 2010 in order to concentrate on being an engine supplier/technical partner. By doing this Renault enjoyed huge success with Red Bull Racing, winning titles from 2010 to 2013.
During that time Renault were a prominent voice in the introduction of the V6 Turbo Hybrid engines that were introduced last year and have seen Mercedes remain in F1 and Honda return.
Having gone from supplying four teams in 2013, Renault now only supply two, which are the senior and junior Red Bull teams. This has led to the French car manufacturer airing the idea of becoming a constructor once again, wanting more exposure than they are getting from the two teams they currently supply.
Despite their current problems Renault look like they are more likely to stay in F1 than leave, continuing their current sixteen year association with the sport, which is surely a good thing and worth commending.