Hydrogen Drives Future Automobile Industry
Introduction
There is growing confidence among many energy experts that hydrogen has the potential to become an important energy system for the 21st century. Hydrogen, chemical symbol H, is the simplest element on earth. An atom of hydrogen has only one proton and one electron. Hydrogen gas is a diatomic molecule; each molecule has two atoms of hydrogen (which is why pure hydrogen is commonly expressed as “H2”). At standard temperature and pressure, hydrogen exists as a gas. It is colorless, odorless, tasteless, and lighter than air (Hydrogen. [Art]).

Figure 1. Hydrogen Molecule
Like electricity, hydrogen is an energy carrier (not an energy source), meaning it can store and deliver energy in an easily usable form (Fischer & Finnell, 2006).
. Although abundant on earth as an element, hydrogen combines readily with other elements and is almost always found as part of some other substance, such as water (H2O), or hydrocarbons......

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Title: Hydrogen Drives Future Automobile Industry
Approximate Word Count: 4219
Approximate Pages: 17 (250 words per double-spaced page)

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