
Formula 1 has been steadily increasing the electrical element of its power units since introducing KERS in 2009 and making the switch from howling 2.4-litre V8s to 1.6-litre hybrid power units in 2014.

Formula 1 has been steadily increasing the electrical element of its power units since introducing KERS in 2009 and making the switch from howling 2.4-litre V8s to 1.6-litre hybrid power units in 2014.