• Royal Decree 1088/2010 of 3rd September, amending Royal Decree 61/2006, of 31st January, regarding technical specification for gasoline, gas-oils, use of biofuels and sulphur content for fuels for maritime usage.
  • Order ITC/2877/2008 of 9 October, establishing the mechanisms to promote the use of biofuels and other renewable fuels for transport purposes.