A fuel cell is an electrochemical device that combines hydrogen fuel with oxygen to produce electricity, heat, and water. The fuel cell is very similar to a battery, wherein an electrochemical reaction arises as long as fuel is available. Hydrogen is kept in a pressurized container and oxygen is taken from the air. Because of the absenteeism of combustion, there are no harmful emissions, and the only by-product is pure water. Hydrogen and fuel ... Read more