Although hydrogen fuel-cell cars have their advantages to petrol-fueled internal-combustion automobiles, they still don't offer the performance nor the convenience that most consumers desire. As of now, automotive engineers still have a long way to go before they could compete with gas-operated automobiles. There are plenty of obstacles that scientists have to overcome in order to make the hydrogen fuel-cell car up to par with the petrol-fueled car.

There are plenty of people who promote hydrogen-run cars. Their main selling point is the fact that the only emission given off by these cars are heat and water vapor. Although this is true, if one were to research farther, they would realize an important point pro-hydrogen enthusiast failed to mention. Although hydrogen is in fact plentiful, there are very little or almost no free-floating hydrogen molecules on Earth. We know, of course, that most hydrogen molecules...