Renault are on course to make substantial gains with their 2015 Formula One power unit before the season-opening race in Australia, according to chief technical officer Rob White.

Having made sweeping changes to their power unit over the winter in a push to reduce a 2014 performance deficit to Mercedes, Renault are confident that big strides will be made before the season gets underway via Formula1.com – Latest News http://ift.tt/1Jn7Ixp