What is this story about?

Blue Sky Airlines have drawn heavy criticism from consumer and human rights groups over their new ticketing policy. Under the new policy, Blue Sky has opted to charge passengers for their tickets on a kilogram basis. Therefore, if you are thin and underweight you will pay significantly less for your flight than someone who is overweight. The airline has defended its policy by citing an increase in fuel prices as the catalyst for the increase. The reasoning is simple, the more weight an aircraft carries, the more fuel it will use. Critics have argued that this policy discriminates against the big and fat.