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Fuel saving technique at gas station

Discussion in 'Prius c Main Forum' started by mdgates, Jun 2, 2014.

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mahout Active Member

Joined:

Nov 29, 2010

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Location:

NC

Vehicle:

2012 Prius c

Model:

Two

mdgates said: ↑

As I pulled up to the gas station today, I had a thought. You must not fuel a vehicle with the engine running, but what about a Prius with the engine off, the gear selector in N, and the car "on"?

Normally, I pull the keys at the gas station, and the stupid Prius goes into S1 and kills my fuel economy for the rest of the drive home. This time, I left the car on (engine off, N), fueled while I watched the fuel gauge on the dash jump from one bar to five bars to ten, then drove off still in S5. The car didn't complain whatsoever, and it didn't ask me about what the price of gas is today. Very nice.

Of course, I don't guarantee you won't burn your car down if you try this, even though I can't think of any plausible mechanism that could ignite fuel vapor only in this scenario.
Click to expand...

The problem is that the ignition switch is on, meaning eletricity is available all over the place. So an arc is possible and near the gas filler the result is catastrophic. So its not when the engine is running but when the eltrical system is on.

#21 mahout, Jul 7, 2014

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