Scientists at Samara National Research University in Russia are developing a cryogenic engine that will use liquid nitrogen or LNG.
The engine could be used in the future to power environmentally friendly vehicles in specially protected natural areas, as well as special purpose unmanned aerial vehicles (UAVs), which can remain invisible to infrared tracking devices as they will leave no thermal traces in the sky, the university said in a statement.
The work is carried out within the scope of the laboratory for cryogenic technology started at the Samara University.
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