Future Fuel from Air and Water
This Diesel fuel was invented by German company Audi cars is the least polluting fuel in the world as it’s consist of a mixture of water & air and the most significant advantage is that co2 is used in generating fuel, and also this fuel doesn’t contain a sulfur substance.
![Audi e-diesel cycle Audi e-diesel Cycle (infograpgic)](http://ierek.com/news/wp-content/uploads/2016/04/Audi-e-diesel-infograpgic-1024x724.jpg)