Mercedes says Formula 1’s chiefs should be pushing to make life tougher for teams with the new fuel rules, rather than considering tweaks to help out those who are struggling.

The Bahrain Grand Prix weekend was dominated by talk about potential rule changes -by either increasing fuel limits or shortening races – to help more teams race flat out.

Although the FIA confirmed that nothing would happen unless there was unanimous support, there remains the chance that efforts may be made to revise matters for 2015 if a majority back it.

But Mercedes executive director Paddy Lowe thinks it goes against the very nature of F1 to try to make life easier for teams – and he thinks the sport would actually be better if the rules were tougher.

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