Started crucial flying lap on the wrong engine setting, something he feels cost him the gap to Sebastian Vettel before he'd even reached Turn 1.
Australian says Spanish Grand Prix proved Red Bull have plenty of issues on their side of the garage with the RB11.
Renault insists its engine partnership with Red Bull can last long-term despite rumours Audi is in talks with the drinks company about an F1 project.
Pierre Gasly says there is very little difference in performance between the Toro Rosso and Red Bull after testing the two car back to back this week in Barcelona.
Daniil Kvyat is not expecting any miracles from Red Bull over the coming races.
Audi is open to the possibility of an F1 project as rumours it will join forces with Red Bull start to gain traction.
Red Bull has again threatened to quit F1 if it is not able to secure a competitive engine in the "near future".
The engine penalties looming over Red Bull has resulted in team boss Christian Horner labelling this season a write-off after just the fifth round.
Daniel Ricciardo says it is unacceptable for Red Bull to qualify behind Toro Rosso as he struggled to 10th on the grid for the Spanish Grand Prix.
Daniel Ricciardo has joined his team Red Bull in putting pressure on engine supplier Renault after completing just 13 laps in the first two practice sessions for the Spanish Grand Prix.
Daniel Ricciardo says 'the performance side is not going full steam ahead' as French manufacturer looks to delay onset of engine penalties.
Red Bull head of aerodynamics Dan Fallows believes his team can overcome the power deficit it has and win races on the strength of the car's aerodynamics alone.
Red Bull's 2016 car will be the first to be designed without significant input from Adrian Newey.
Red Bull boss praises the Australian for 'his attitude, his approach, his personality, his demeanour' during Red Bull's troubled start to 2015.
Decision to up the amount of engines each driver can use is set to be formalised soon, according to Christian Horner
Red Bull boss defends the Russian's record from his first races at Red Bull and says he's been unable to show true potential so far.
Managing director Cyril Abiteboul says three weeks is ample time to remedy the problems suffered by Red Bull and Toro Rosso so far in 2015.
Red Bull boss Christian Horner says engine-supplier Renault cannot afford to keep having engine failures this season and is putting pressure on the French manufacturer to rush through an update.
ESPN rounds up all the reaction from up and down the paddock after the Bahrain Grand Prix
Red Bull boss Christian Horner says the engine that blew up in the back of Daniel Ricciardo's Red Bull at the end of the Bahrain Grand Prix is unlikely to salvageable.
ESPN rounds up all the reaction from up and down the paddock after qualifying for the Bahrain Grand Prix.
Says Red Bull can take the fight to Williams but only if it is "10 out of 10" in every area of the Bahrain Grand Prix.
The latest betting tips from the ESPN team, in association with bet365
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