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It is important to understand that
the introduction of alternative
energies
into
the
national
energy matrix, such as natural
gas and hydrogen, is a long-
term process that must be well
planned. Investments in facilities,
transportation,
distribution
and sales, as well as engine
adaptations, represent billions
of dollars. These alternative fuels
provide greater independence
and possibly alleviate consumers
from constant price increase, but
a very high investment is required
for actual implementation into the
transportation sector.