It seems that the Basque people of Northern Spain have decided it is time to move to biofuels, well at least their environmental department.
According to the a Basque technology website blog...
the Saab 9.5 Biopower will be the new fleet vehicle for the Basque Energy Authority (EEE-EVE). This vehicle can use bioethanol in its maximum fuel mixture – known as E85, given that it is made up of 85% bioethanol and 15% 95-octane conventional petrol.
If you want to see the original in Basque and Spanish