Which airline made history in 2008 by conducting the first commercial flight using a blend of traditional jet fuel and biofuel derived from plants?

The aviation industry has been making significant strides toward sustainability in recent years. Major airlines and aircraft manufacturers have launched various initiatives to reduce carbon footprints and develop more eco-friendly technologies. This poll tests your knowledge about one of the most significant sustainability partnerships in commercial aviation history that changed the industry's approach to environmental responsibility.

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Virgin Atlantic with a Boeing 747 using coconut and babassu oil
Lufthansa with an Airbus A321 using jatropha-based fuel
KLM with a Boeing 787 Dreamliner using recycled cooking oil
Emirates with an Airbus A380 using algae-based biofuel