When a member of the Bentley Drivers' Club advertises his machine for sale, there must be more than one good reason for that act, especially as the mere threat of such a proceeding may lead to civil war in the family. In the case of B. A. Foster, of Kettering, the reasons were threefold; a large weekly business mileage, official reluctance to grant coupons for a 6 1/2-litre 38 h.p. Bentley, and the current cost of petrol. The threat of civil war came from Mrs. Foster, and from her too, came the suggestion of fitting a Diesel.    Continued...