Army tests pump to make water from exhaust.(Alog News)

Soldiers soon may be able to recover drinking water from their vehicles' exhaust. The Army is testing a system that will recover the water that is present in fuel by combining oxygen and hydrogen in vehicle exhaust to produce water.

The water recovery system consists of regenerative heat exchangers, evaporative coolers, filters, and pumps. To produce water, the vehicle exhaust passes through the heat exchangers and coolers that cool it to the condensation point. A purification process then makes the water drinkable. The system will produce about 1 gallon of water for every 2 gallons of fuel consumed by the vehicle. It will take about an hour to produce a gallon of ...

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