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Biofuel groups envision ethanol-powered jets. But fueling the effort has not been easy - WTOP News
WTOP Washington· 3 days agoSome day, the passenger jets that soar 35,000 feet (10.6 kilometers) over Dan McLean’s North Dakota...
Some day, the passenger jets that soar 35,000 feet (10.6 kilometers) over Dan McLean’s North Dakota...