eli5: How is leaving your engine running while refueling dangerous?

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Like people leave their engines idling while waiting for a pump and that’s not an issue… and if there was a chance of a spark traveling back along the line and ignigting the tank (and thus, the station), then why doesn’t this happen during normal operation?

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16 Answers

Anonymous 0 Comments

It’s not just about fire.

A car that is turned off can’t be left accidentally in gear to idle crawl away and crash into stuff.

When you shut off and park a car you make it safer to work on.

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