KLM and Lufthansa Sign Long-Term Agreements with US Sustainable Biofuel Producers AltAir and Gevo
(GreenAir Online) European airlines KLM and Lufthansa have each signed agreements with US biofuel companies for supplies of locally-produced sustainable fuels. KLM has agreed to purchase through a three-year offtake agreement an undisclosed quantity of used cooking oil based fuel produced by