2543.     ---------------.  [OSTWALD, W.]  Motor Fuels From Cheap Materials.  Oil Gas Jour., vol. 24, No. 38, 1926, p. 136; Chem. Abs., vol. 20, 1926, p. 2572.

        Discussion of the production of synthetic motor fuels by the Mittasch, Fischer, Zelinsky, and Bergius processes.  A synthetic fuel containing Fe carbonyl as an antidetonating component is not as poisonous as Pb(C₂H₅)₄, but when used in engines, it causes the valves to become incrusted quickly.