Oh dear – that we should even be suggesting such a thing….

It was to a great extent the development of high octane, leaded fuel that enabled the leap in the power output and supercharging of aircraft engines in the 20s and 30s. It also has the right vapour pressure to work at altitude. The fuel is as much a part of the history as the Merlin and the sound it makes.

…..or have the environmental extremists succeeded with their greenwashing?