Felipe Nasr's attempts to overcome a poor start to the Bahrain Grand Prix effectively died along with his engine in round four of the 2015 F1 world championship.
Jules Bianchi's father provides another insight into his son's condition following the injuries he suffered at the 2014 F1 Japanese Grand Prix. 
Carlos Sainz Jr reckons a return to the F1 points positions could have been on the cards had an early spin and later gearbox problems not left him in traffic at the Chinese Grand Prix.
Marcus Ericsson reckons he could have scored more points in the F1 Chinese Grand Prix had his Sauber been able to work its Pirelli tyres a little better.
Red Bull and Renault's increasingly fragile relationship reaches a new nadir as the latter accuses its partner of 'lies' over engine criticism 
Christian Horner denies his calls for Mercedes to be pegged back are hypocritical, insisting Red Bull was continually stopped from dominating. 
Sebastian Vettel returned Ferrari to the F1 podium on his first appearance in scarlet, and admitted the emotion was in great contrast to his Melbourne race a year ago. 
Kevin Magnussen's hopes of getting better acquainted with the McLaren-Honda MP4-30 are dealt a blow after a crash in FP2. 
Pastor Maldonado says although he loves racing in Melbourne it won't provide a reliable measure on how far Lotus has improved