Over the past few decades, people around the world have been using fossil fuel, but what about the future? When the world is crowded with pollution, will we keep using fossil fuel? When the world is out of fossil fuel, what would we use? Electricity? Solar energy? What could create a huge amount of energy with unlimited resources and clean exhaust? Fuel cells. <Tab/>Spacecraft have been using fuel cells since …showed first 75 words of 422 total…

…showed last 75 words of 422 total…by half. Being able to run on both gasoline and hydrogen, it will create a bridge of transfer from one energy to the next, while places around the world start to change from gasoline stations to hydrogen stations, cars and other fuel-cell powered machines can use both kind of energies. Although Ignatiev, director of TcSAM stats that a lot of work is still needed, in the future, we can drink out of the exhaust pipe.