reference: ISO/TC 28/SC 4
title: Classifications and specifications
scope: <p>Classifications and specifications for:</p>
  <p><ul>
  <li>Crude petroleum;</li>
  <li>Petroleum-based liquid and liquefied fuels;</li>
  <li>Non-petroleum based liquid and liquefied fuels from natural or synthetic sources;</li>
  <li>Gaseous fuels for transport applications;</li>
  <li>Petroleum based lubricants and fluids (including hydraulic fluids and greases);</li>
  <li>Non-petroleum based lubricants and fluids (including hydraulic fluids and greases) from natural or synthetic sources</li></ul>
  <p>Excluded are classifications and specifications for:</p>
  <li>Fuels and lubricants used in the operation of aircraft and space vehicles which are the responsibility of ISO/TC 20
committeeLiaisons: ISO/TC 193
committeeLiaisons: ISO/TC 131
committeeLiaisons: ISO/TC 192
committeeLiaisons: ISO/TC 118/SC 3
committeeLiaisons: ISO/TC 118
committeeLiaisons: ISO/TC 60
committeeLiaisons: ISO/TC 118/SC 6
committeeLiaisons: ISO/TC 8
committeeLiaisons: ISO/TC 118/SC 1
committeeLiaisons: ISO/TC 131/SC 6
committeeLiaisons: ISO/TC 22/SC 41