EntityQ548414· pop 20· linked from 43 articlesantiknock agentSign in to saveagent used to increase a fuel's octane ratingConnectionsWorld War IIConceptgasolineEntitysolventEntityxyleneEntityorganometallic chemistryEntitytert-butyl methyl etherEntitymethylcyclopentadienyl manganese tricarbonylEntityRadar-absorbent materialEntityEuropeEntitywaterEntitychemistryEntityironEntitybloodEntityleadEntitymetalEntitypetroleumEntitychemical compoundEntityethanolEntityinternal combustion engineEntityWayback MachineEntityCategoriesAntiknock agentsEngine technology