Germany invented ersatz during World War I, staked her economic survival in World War II on a big program of synthetic substitutes for gasoline, rubber, leather, textiles and even foods. In spite of this advance preparation there is now a serious ersatz shortage in Germany. Substitutes for substitutes are the topic of most of the German scientific news reaching the American Chemical Society, mostly from refugees in England.
Typical is the situation with ersatz motor fuel. Most of the synthetic gasoline made from coal, plus the conquered Rumanian oil, has been invested in...