Eurostat, Luxembourg. 29012391 (01/1995-12/2003) Butene `butylene` and isomers thereof, for use as a power or heating fuel (excl. but-1-ene and but-2-ene): CN 29012391 /Exports /Unit = Prices (Euro/ton) /Partner: Italy /Reporter: European Union /29012391:Butene 'butylene' and Isomers Thereof, for use as a Power or Heating Fuel (Excl. But-1-ene and But-2-ene).