combustingtion, we have fuel cell. combustingtion, we have fuel cell. it creates electricity on demand it creates electricity on demand by combining hydrogen by combining hydrogen with an electro-chemical reaction. with an electro-chemical reaction. >> a membrane between the >> a membrane between the hydrogen and oxygen strips the hydrogen and oxygen strips the hydrogen atom of the one electron. hydrogen atom of the one electron. the electricity is generated as the electricity is generated as it moves around the fuel cell to it moves around the fuel cell to hook up with the oxygen to hook up with the oxygen to produce h 20. produce h 20. >> so this emits water? >> only water. >> so this emits water? >> only water. i can go show i can go show you. . you. . >> so this is where the water comes out? >> exactly. >> so this is where the water comes out? >> exactly. it will be a mixture of water it will be a mixture of water vapor and a few droplets. vapor and a few droplets. >> if we want to see the water, understand? >> if

>> instead of the gasoline combustingtion, we have fuel cell. it creates electricity on demand by combining hydrogen with an electro-chemical reaction. >> a membrane between the hydrogen and oxygen strips the hydrogen atom of the one electron. the electricity is generated as it moves around the fuel cell to hook up with the oxygen to produce h 20. >> so this emits water? >> only water. i can go show you. . >> so this is where the water comes out? >> exactly. it will be a mixture of water vapor and a few droplets. >> if we want to see the water, understand? >> there is a purge button. >> sot water. so this is the big purge. >> that's kind of amazing. i want to drink this. shouldn't? >> gets atmospheric and environmental dirt in it. i wouldn't recommend drinking it. >> unlike most cars, the under carriage is wrapped up tight. >> we were to take the plastic covers off you would see a hydrogen tank here, another here and the fuel cell belt is underneath the front seat. >> i think people would be concerned having a compressed gas tank on your car, bu