There are many companies that are working on increasing the fuel efficiency of both gasoline and diesel based engines. This is being done by using fuel additives that will help decrease emission of toxic gases. These additives will also boost the performance of the engine.
Ethanol is a type of spirit and also a bio fuel. It is one of the oldest ingredients obtained from chemical process known to mankind. People have always had wine and spirits for producing alcohol. However, it was never known as ethanol. Ethanol is becoming very popular in the modern world because it is being considered as an alternative fuel that can save the environment.