Show Us Your In-Bed Fuel Doors!

[justplainray]

Is there any concern about fire?
We are warned not to fill a gas can inside the bed of a truck, static electricity build-up and the like.
Heres a Youtube clip

‪Gas Pump Explosion Caused by Static...

There are other videos to be found.
So, is this a concern?
What makes a gas can in the bed so different than a gas tank filler neck?
I'm just asking the question, I'm not being critical of anyones choices.
justplainray