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Fuel-saving tips that big oil companies don't want us to know about this
This Ecofuel device works on Gasoline "Petrol-Unleaded" and Diesel engines and helps save on average 20% more fuel.
It works by accessing the OBD₂ protocols and remapping your car's ECU for better fuel consumption.
The Ecofuel adjusts itself to the car, according to the drivers' habit and always keeps remapping the ECU to save fuel and lowering emission.