Unquestionably Confused wrote, on Thu, 11 Sep 2014 10:16:52 -0500:

As for him that said he pours out five gallons in 20 seconds...
Bull****! You couldn't empty a five gallon can on the ground in that
time let alone into a fuel tank.

I agree. And I fill and empty a *lot* of five-gallon gas cans!
https://c4.staticflickr.com/4/3892/1...7df1c083_b.jpg