Abstract:
The limited energy resources, special attention is given to fuels internal combustion engines. The tendency to use fuels from agricultural tractors is to use non-traditional fuels, biofuel, especially with the coming from agricultural crops, just fuels mixed isomers, e.g. petrol + alcohol, use of procedeilor gas, diesel oil, gasoline + gas + In terms of fuel economy may be mentioned the last method called gas-Diesel.