15/09/2013
The Crown Plaza Hotel in Denmark is offering a free meal to any guest who can produce electricity for them by riding on an exercise bike (The bike is attaching to a generator). 15 minutes of riding will produce 10 watt. of electricity. By doing this you are having a firm body, saving the world, and saving your money. What a cool idea they have!
Read more at http://www.funzug.com/index.php/technology/green-ideas-green-inventions.html .99