In 2010, Airbus offered a new version of the −300 with the maximum gross weight increased by two tonnes to 235 t. This enabled extension of the range as well as 1.2 t increase in payload. In mid-2012, Airbus proposed another increase of the maximum gross weight to 240 t. It is planned to be implemented by mid-2015. This −300 version will have the range extended by and will carry 5 t more payload. It will include engine and aerodynamic improvements reducing its fuel burn by about 2%. In November 2012, it was further announced that the gross weight will increase from 235 t to 242 t, and the range will increase by to . Airbus is also planning to activate the central fuel tank for the first time for the −300 model.