Pedaling for an hour on Manoj Bhargava's 'Free Electric' hybrid bike can supply 24 hours of electricity for a rural household.
In a world where up to half of the population either has no access to electricity whatsoever, or only severely limited access, a home energy device powered by humans could have a big impact in the developing world, and one philanthropist is willing to put his money where his mouth is in order to potentially change the lives of billions.
Manoj Bhargava, founder of the company that makes the popular energy-boosting supplement 5-hour Energy, is worth somewhere in the neighborhood of $4 billion, and instead of spending that money on luxury items or a lavish lifestyle, he's focused on making a difference in the world, in part by tackling some of the pressing issues of our time, most notably energy and water. Bhargava has pledged 90% of his wealth to charity and research via the Bill and Melinda Gates and Warren Buffett-led Giving Pledge, saying:
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