While Red Bull eagerly awaits an upgraded engine from Renault, which might not appear until Canada, the French manufacturer insists that ongoing development work is seeing its power units improve at every race and that the new engine isn't the be all and end all the Austrian outfit is making it out to be. 'Frankly, what I want to play down is this sort of focus on the upgrade because the engine is improving every weekend,' Abiteboul told Motorsport.com. 'We said reliability was the main issue to the performance delivery and improvement and that is exactly the case. 'I give you a clear example,' he continued, 'we had better reliability. 'We just completed a programme on dyno, this week, on...
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