U.S. Navy researchers have been working for more than a decade on a
way to tap an abundant and relatively inexpensive source of fuel.
Earlier this month, the Navy announced it had successfully
extracted carbon dioxide and hydrogen from seawater, synthesizing
the gases into liquid hydrocarbons that can be refined to produce
fuel to power ships, jet aircraft, and virtually anything else that
has an engine. The discovery could give the Navy the ability
to produce its own fuel while
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