Uncategorized Cobra Gold Military Exercise Puts Portable Fuel Cells to the Test

Published on April 28th, 2009 | by Tina Casey

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Cobra Gold Military Exercise Puts DARPA Portable Fuel Cells to the Test

April 28th, 2009 by  

Cobra Gold Military Exercise Puts Portable Fuel Cells to the Test

The next generation of portable fuel cells is being, almost literally, battle-tested by the U.S. military, which put a portable fuel cell/battery system through its paces this past February during field maneuvers in the 28th annual Cobra Gold.  Cobra Gold is the U.S. military’s long-running multilateral exercise in Thailand.  The lightweight, portable fuel cell system was developed by DARPA’s Robust Portable Power Sources program, and its  tooth-to-tail implications apply to military and civilian sustainability, too.

Tooth to Tail and the U.S. Military Carbon Bootprint

The tooth to tail ratio describes the amount of support available to sustain combat soldiers.  The equation used to be straightforward: more support (tail) makes for a more effective combat force (teeth).  DARPA – the Defense Advanced Research Projects Agency – aims to stand the equation on its head, in part by stripping energy-related support requirements to the lowest possible levels.  One way to do that is to reduce the military’s dependence on conventional batteries, which can weigh up to 125 pounds per team for a one-day radio recon excercise.  In effect, DARPA is approaching the tooth to tail ratio as a standard for reducing the U.S. military’s carbon bootprint, rather than adding to it.

Portable Fuel Cells – But Wait, There’s More

DARPA’s robust power program is just one piece of the portable power puzzle.  U.S.military fuel cell research has been covering several other more sustainable configurations, including photovoltaic. Genetically engineered viruses and silicon are pushing the envelope for lithium batteries, and a green makeover is in sight for old lead-acid technology, too.

Tooth to Tail and Civilian Sustainability

The military concept of sustainability is as old as war itself.  It’s a matter of life or death.  As the U.S. military relies on ever more power-hungry gear to support its teeth, it’s going to need a far more efficient, portable, and logistically sustainable power supply than conventional fuels and batteries can offer.   Just one statistic reveals the urgent need to change: according to DARPA, about 70% of the trucks in a typical military convoy are used for transporting petroleum fuels.

As for the rest of us, despite the kicking and screaming from global warming deniers and the “clean coal” shills, alternative energy is no field exercise.  Survival is the stakes.  Whether we like it or not, we live in a mechano-electronic world that drags a heavy tail, and it’s only going to get heavier.  Our ability to sustain that world depends entirely on the new kinds of energy we develop to power it.

Image: RussBowling on flickr. 
 
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About the Author

specializes in military and corporate sustainability, advanced technology, emerging materials, biofuels, and water and wastewater issues. Tina’s articles are reposted frequently on Reuters, Scientific American, and many other sites. Views expressed are her own. Follow her on Twitter @TinaMCasey and Google+.



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