https://vocabularyserver.com/icpsr/https://vocabularyserver.com/icpsr/xml.php?skosTema=1121energy industry https://vocabularyserver.com/icpsr/xml.php?skosTema=1121 energy RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1121 fuels RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1121 gasoline RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1121 natural gas RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1121 public utilities RT https://vocabularyserver.com/icpsr/xml.php?skosTema=1121 industry BT