By the turn of the century the soft French stone used in Blore's East Front was showing signs of deterioration, largely due to London's notorious soot, and required replacing.
The management had recently overhauled the space, taking out the grass and flowers that had required watering andreplacing them with decorative pebbles.
It does not make sense economically as ANY alcohol fuel cost more to produce and supply than the gasoline it is replacing especially if you consider the infrastructure improvements necessary to transport and contain the material and the engineering required to design an engine that can run on it.