Stop in for a cup of coffee

Also This not an area I know a lot about but it seems the grounding of the fuel tank to the chassis is a helpful anti-static electricity measure.
https://www.speed-talk.com/forum/viewtopic.php?t=48825
Just got done reading this, very interesting. I have several plastic race jugs which I also use to fill up mowers, ATV's etc. I fill them directly from the jugs with the plastic hose that came with them, they are flexible and I do not use a separate funnel.