Lufthansa will offer commercial flights based biofuel using kerosene biosynthetic. Lufthansa has in his 6 months to make test flights with its Airbus A321 D-AIDG the trip Hamburg - Frankfurt - Hamburg due to 4 times a day. The first test flight LH013 took off July 15 departing from Hamburg to Frankfurt 11:15. During the experimental period, the use of biofuels will reduce emissions of CO2 up to 1500 tons. The draft biofuels amounted to 6.6 million euros to the German airline Lufthansa. At last with Lufthansa seat availability, passengers would have the possibility to have more seats onboard its aircraft.