https://www.thedp.com/article/2017/04/these-seniors-found-a-way-to-keep-refugees-warm-in-the-winter
So they said - if mass produced costs only $70 a unit?
says increases heat by more than twice the amount - 150% increase
“So you can use a third less fuel with Ember and still achieve the same amount of warmth.”
Yeah - https://generocity.org/philly/2017/04/03/penn-students-ember-refugees/
Says they hope to continue working on it after graduation in spring 2018...hmm
https://emberforrefugees.wixsite.com/ember
that's there website - but no "mass production" or sales that I can see.
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