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The alternatives to liquid fuels are compressed gases and electric power, however, both are viewed as inferior by the automotive industry. The gases are inferior in terms of energy content per unit volume. Electric power may be stored on board a vehicle in a battery or (for a short time) in capacitors. However, batteries are regarded within the automotive industry as substandard compared to liquid fuels in terms of energy stored by unit weight and volume. Furthermore their cost is high, and the manufacture of some battery types involves large quantities of scarce or environmentally-threatening materials including cadmium, lead, lithium, nickel, sodium, sulphur and zinc.
According to the already mentioned just-auto report entitled The future of road vehicle fuels – forecasts to 2020 (January 2008), the International Energy Agency’s World Energy Outlook 2007 found that around 230m barrels of oil equivalent are required to meet global demand each day. Of this total, liquids......
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Approximate Word Count: 318
Approximate Pages: 2 (250 words per double-spaced page)
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Fdfsd The alternatives to liquid fuels are compressed gases and electric power, however, both are viewed as inferior by the automotive industry. The gases are inferior in terms of
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