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Much of it was fine, though it was a little too praise-y, and hydrogen isn't actually combusted, which is a pretty major distinction
==Compounds==
==Compounds==
Hydrogen can be found in both [[organic]] and [[inorganic]] compounds (for example, [[hydrocarbon|hydrocarbons]] and metal hydrides, respectively. Scientists have determined that hydrogen is the most common element in the universe. It is an important component of [[water]].
Hydrogen can be found in both [[organic]] and [[inorganic]] compounds (for example, [[hydrocarbon]]s and metal hydrides, respectively. Scientists have determined that hydrogen is the most common element in the universe. It is an important component of [[water]].
==Fuel for Vehicles==
Hydrogen is a principal component of [[fuel cell]]s, which have the potential to be a major form of alternative energy in the future. Fuel cells are very clean energy sources; the only by-products of its use are [[water]] and heat. Since no [[pollutant]]s or [[greenhouse gas]]ses are produced the use of fuel cells could provide cleaner air and potentially slow down [[global warming]].
There are, however, some obstacles to overcome before hydrogen is a viable fuel source. One obstacle is that amount of hydrogen needed to fuel a regular sized car would be extremely large and would not be as convenient as a fuel tank is now. Hydrogen is extremely [[flammable]] and the flame is nearly invisible. The chances of a massive fatal explosion in an accident is greater than in one with [[gas]] powered vehicles.
If hydrogen could be used in cars, it would be important in establishing the [[hydrogen economy]].