Renault head of trackside operations Remi Taffin says the power unit manufacturer has stepped up a level in the last few races.

Daniel Ricciardo won the Hungarian Grand Prix for Red Bull on Sunday, with his second win of the year after Canada meaning a Renault-powered car has won two of the last five races. Taffin admitted the wet start to the race allied with a circuit that is much less power-dependant had helped Ricciardo's cause, but says Renault still deserves praise for the job it has done.

"The conditions gave us a thriller from start to finish. Daniel and the team thoroughly deserved the win," Taffin said. "We know that the twistier circuits suit us a lot better and the chassis and the Power Unit worked well together to give Daniel the car and confidence he needed to fight for the lead.

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"We have raised our game in the last few races and worked hard with the team over many man hours to be as competitive as possible. Of course there is still room for improvement - which is positive - and we now need to aim to be competitive in all types of conditions."

And Taffin said Renault must use Ricciardo's victory as a catalyst for further improvements over the mid-season break.

"We've also got to use this as motivation for the second part of the year. We know it will be a lot harder when we return, but we know what our strengths are and we've got some interesting work in progress that will help. We now need to turn everything to our advantage and maximize opportunities when we return, just as we did [in Hungary]."