Ferrari's new power unit is expected to give the Scuderia around "10hp more", but it won't be ready before Turkey, or even Austin. read more »

Ferrari are set to introduce a new power unit worth an extra 15hp in Austria, according to reports in Italy. read more »

Renault have reportedly decided to introduce their Spec-C engine at the Belgian Grand Prix with the new power unit worth "10 or 15 horsepower". read more »