Red Bull are hoping to see Renault deliver an upgraded engine package before the Austrian Grand Prix on July 9. The third-placed team in the World Constructors' Championship have been cut adrift from Mercedes and Ferrari under the new aerodynamic regulations for 2017, but showed some slight signs of progress with an updated chassis at the Spanish Grand Prix. However, frustrations are growing in the Red Bull camp over the lack of power and performance with their Renault engine, which has prompted Dr Helmut Marko to make yet another threat that the team will quit the sport if the engine rules are not simplified. Renault were due to supply their first major upgrade at the Canadian Grand Prix...
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