(NaturalNews) Imagine that instead of having to pump fossil fuel-based gasoline into your boat or car, you could instead use "liquid air?" The London-based Dearman Engine Company (DEC) has reportedly developed a new engine technology that uses cryogenic air to power vehicle engines, and one of the best parts about it -- the technology produces no pollution.
Cooling air to a frigid minus 256 degrees Fahrenheit (minus 160 degrees Celsius) effectively turns it into a liquid that can be used as fuel. When this liquid is mixed with certain other fluids inside of an engine that heats it up and turns it back into a gas, the conversion creates high pressure levels that act as usable energy to drive the pistons and create usable energy.
"You inject a heat-exchange fluid, such as anti-freeze and water, into the head of the piston just before you inject liquid nitrogen. The result is that all the expansion takes place inside the cylinder," explained DEC's founder Toby Peters to Transport Engineer. "And because you've got this volume of heat exchange fluid, it is isothermal expansion -- so it keeps the temperature the same, which is far more efficient" (http://www.transportengineer.org.uk).
New engine actually runs on 'liquid air'
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