Liquid Nitrogen
Liquid nitrogen is another type of emissionless fuel.
Read more about this topic: Alternative Fuel
Famous quotes containing the word liquid:
“While the State becomes inflated and hypertrophied in order to obtain a firm enough grip upon individuals, but without succeeding, the latter, without mutual relationships, tumble over one another like so many liquid molecules, encountering no central energy to retain, fix and organize them.”
—Emile Durkheim (1858–1917)