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The Bill and Melinda Gates Foundation announced last year that they will be giving away more than $42 million to help fund and develop new, innovative toilets. These toilets can be used for the developing world who currently do not have access to any sort of sanitary toilet situation.There were 28 designs shown at the fair and the winner of $100,000 was California Institute of Technology (Caltech). Their design was a solar powered unit generated by hydrogen gas and electricity.