Ecofriend

The day when we would be using machines that won’t be powered by the little socket somewhere in the wall is still a couple of decades away. But this does not keep some designers and inventors from thinking that the calories burned during exercising.

Eco Factor: Electric trike with a built-in pedal mechanism. Researchers all over the planet know that electricity is the next-gen fuel. Automobile manufacturers are now concentrating on vehicles which make the most of this green power source....