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Author Topic: Shell, ExxonMobil tout a cleaner fuel for megacities  (Read 848 times)

Offline Josetann

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Shell, ExxonMobil tout a cleaner fuel for megacities
« on: November 23, 2005, 02:23:00 PM »
The Axis powers tried to make gas from coal during World War II. New technology makes the process cleaner and more efficient.

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