Although it’s present in common substances like water, it’s not directly useable in that form. Hydrogen is not the solution to these problems.įirst, hydrogen is not as easily available as the passage indicates. However, the reading is way too optimistic in its assessment of hydrogen-based fuel-cell engines. Yes, oil is a finite resource, and yes, burning oil harms the environment. The reading is correct in pointing out the problems associated with oil-powered cars. In other words, the fuel-cell powered car requires only half the fuel energy that the internal-combustion powered car does to go the same distance. This is true for one simple reason: a fuel-cell automobile is nearly twice as efficient in using its fuel as an automobile powered by an internal-combustion engine is. Third, fuel-cell engines will soon be economically competitive because people will spend less money to operate a fuel-cell engine than they will to operate an internal-combustion engine. On the other hand, the only byproduct of fuel-cell engines is water. An unavoidable by-product of burning oil is carbon dioxide, and carbon dioxide harms the environment. Second, hydrogen-based fuel cells are attractive because they will solve many of the world’s pollution problems. The fact that fuel-cell engines utilize easily available, renewable resources makes them particularly attractive. Hydrogen can be derived from various plentiful sources, including natural gas and even water. The hydrogen needed for fuel-cell engines cannot easily be depleted. Petroleum is a finite resource someday, we will run out of oil. One of the main problems with the internal-combustion engine is that it relies on petroleum, either in the form of gasoline or diesel fuel. Fuel-cell engines have several advantages over internal-combustion engines and will probably soon replace them. By far the most promising alternative source of energy for cars is the hydrogen-based fuel-cell engine, which uses hydrogen to create electricity that, in turn, powers the car. Car manufacturers and governments have been eagerly seeking a replacement for the automobile’s main source of power, the internal-combustion engine.
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