The world's first 15-hour biofuel flight took off on Monday from Los Angeles to Melbourne, filled with mustard seed-based blended fuel. The Qantas Boeing 787 Dreamliner burned 10% of biofuel, apart from 90% regular jet fuel, achieving 7% lesser carbon emissions. Fuel derived from Brassica carinata mustard plant offers over 80% reduction in carbon emissions compared with traditional jet fuel.