Green oils
In recent times biofuels are fashionable, although they have not yet been fully demonstrated. "Green oil" is in all its splendor. In the Swedish capital of Stokholm ethanol is being used to wine in cars and in the big cities of Germany, France and Italy the rapeseed ester or ethanol derivatives of beet, wheat, etc. are increasingly used for transport.
The idea of incorporating oxygenated products into gasoline is increasingly wanted by public authorities. However, biofuels are less "green". The cast ester, for example, removes 10% sodium oxide from conventional fuels. Ethanol extracted from beet and wheat leaves more potentially carcinogenic acetaldehyde.
In addition, the ester and ethanol we just mentioned can form formaldehyde in the exhaust pipe of the engine, which can be carcinogenic.
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