You are here: Global: octane in gasoline and octane enhancers in 2019EuropeActual qualityOxygenates
  • ​EU, Norway, Iceland and Switzerland
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    • Oxygenates
    There is an array of oxygenates that are used to achieve a RON 95 octane rating, following the reduction of aromatics, olefins, benzene and metallic additives. MTBE and (bio)ETBE followed by TAME are the most popular octane boosters. Until the gasoline grade E10 gains an important market share, ethanol is an octane booster but to a limited extent.
    In Europe, splash blending is the most popular way of blending ethanol in gasoline. In this way the fuel producers or blenders do not aim at achieving octane benefit from ethanol but they are more concerned with ensuring that fuel quality properties are aligned with the standard EN 228 and fulfilment of the renewable energy target. Therefore, we typically observed:
      •RON 95 E5 where ethanol is combined with MTBE or ETBE (rarely a mixture
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    Oxygenates