Rare little curio. A 16 page A5 booklet produced by Vauxhall in March 1938, advising customers that Vauxhall’s offered 20% more mpg annd still offered unrivalled performance. Written by the editor of The Vauxhall Motorist, it explains petrol consumption, how it can be controlled and gives data on typical mpg that could be achieved. Detailed text with a number of b/w illustrations by way of explanation. Good condition bar rusting to staples.