Hydrogen
Hydrogen has the potential to revolutionize
transportation and, possibly, our entire energy system. The
simplest and most abundant element in the universe, hydrogen
can be produced from fossil fuels and biomass and even by
electrolyzing water. Producing hydrogen with renewable energy
and using it in fuel cell vehicles holds the promise of virtually
pollution-free transportation and independence from imported
petroleum.
Read more about Hydrogen as alternative fuel - click
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Also see http://www.the-hydrostar.com/
Facts
about Hydrogen
The interest in hydrogen as an alternative
transportation fuel stems from its clean-burning qualities,
its potential for domestic production, and the fuel cell vehicle's
potential for high efficiency (two to three times more efficient
than gasoline vehicles). Hydrogen is considered an alternative
fuel under the Energy Policy Act of 1992.
The energy in 2.2 lb (1 kg) of hydrogen gas
is about the same as the energy in 1 gallon of gasoline. A
light-duty fuel cell vehicle must store 11-29 lb (5-13 kg)
of hydrogen to enable an adequate driving range of 300 miles
or more. Because hydrogen has a low volumetric energy density
(a small amount of energy by volume compared with fuels such
as gasoline), storing this much hydrogen on a vehicle using
currently available technology would require a very large
tank—larger than the trunk of a typical car. Advanced
technologies are needed to reduce the required storage space
and weight.
Storage technologies under development include
high-pressure tanks with gaseous hydrogen compressed at up
to 10,000 pounds per square inch, cryogenic liquid hydrogen
cooled to -423°F (-253°C) in insulated tanks, and
chemical bonding of hydrogen with another material (such as
metal hydrides).
Above information from http://www.eere.energy.gov
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