• @die444die
    link
    English
    17 months ago

    Ah okay I’ve not come across that one myself. It’s also possible certain states have different regulations (if we are talking about the US).

    • @zeppo
      link
      English
      17 months ago

      It prevents knocking in sensitive vintage vehicles, which were designed for leaded gas, too. That article also covers why ethanol can be harmful for them.