1/8/2009

A Continental Airlines Boeing 737-800 flew about 1 hour and 45 minutes on Wednesday with a 50-50 biofuel blend in one of its two engines. The flight marked a series of firsts in the search for alternative fuels: the first test by a U.S. carrier, the first using algae as a fuel source and the first in a twin-engine plane. "It's another major step forward," said an official at Boeing Co., Continental's partner in the test. "We've been pleasantly surprised by how smoothly these tests are going."

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