INDIAN SUBSTITUTES FOR OIL FUEL
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ALMOST all the commoner Indian vegetable oils can be used satisfactorily as oil-engine fuel in place of mineral oil, according to the Industrial Research Bureau's bulletin, "Indian Vegetable Oils as Fuels for Diesel Engines," which records the results of three years' research at the Government Test Rouse, Alipore, Calcutta.
To enable such fuels to be used, hardly any alterations are said to. be necessary to the ordinary oil engine, and ground-nut oil, cotton-seed oil, and rape-seed oil are claimed to have given the same smooth and trouble-free operation as the mineral oil. The behaviour of a number' of other oils, including castor, coconut, til, mohu, kapock, karani, punnal, or undi and poolang, has also been investigated.
. Although generally more eepensive than the cheaper mineral oil, they could, in certain cireumstances, find immediate application, as engine fuels.
It was found that the power loss, when using these vegetable oils, .was not more than about 2 or 3 per cent.