214 The of 1946 When economists come to write the history of the 1940s, this, the first full year of peace restored, will figure as the time of Industry's revolutionary change of attitude towards fuel. This change is being made under the compulsion of the worst fuel famine we have ever known. Coal is the most precious of our basic raw materials. An immediate increase in fuel efficiency — the phrase that must be Industry's watchword through the years to come —is the overriding order of the day. The scope for ingenuity in securing a dramatic improvement cannot be questioned.