Manoj Bhargava is the brainchild of the 5-Hour Energy drink and he has plenty of money in the bank, like around $4 billion. However the self-made-billionaire feels that it is his duty to give back to the world. Through the Billions in Change campaign, Bhargava and his Michigan-based team have just unveiled the Free Electric machine, which is a bicycle that creates energy and powers up homes. What would happen if we all used his machine? Will gyms in our local strip malls someday power up homes too?