220 THE INDUSTRIAL REVOLUTION OF 1946 — No. 8 An out-of-date symbol of Prosperity We used to rub our hands when we saw a group of factory chimneys smoking away merrily. Such a sight to-day would be a " sky-line scan- dal " ; coal is far too precious to be let go up in smoke. Coal is the foundation of all our hopes and plans. So far from wasting a ton of it, the utmost degree of fuel efficiency must be aimed at in every plant. The root of the matter With every industrialist striving with might and main to play his part in the national drive for increased output, the Ministry's insistence upon a higher general standard of fuel efficiency may seem a counsel of perfection of the back-breaking sort.