I get the reasoning behind trying to control the vapors, especially with gas, but always thought the new designs actually released more vapors by causing spills from poorly designed nozzle tips/valves.
I found these at tractor supply for diesel, and the oem sells them for gasoline as well (I now have both, about one year old).
There is a manual vent opposite the spout, it works like a dream! The spout is actually well done as well using
View attachment 750777View attachment 750778 a large and sturdy 'trigger' to rest on the lip of the receiving container.
Anyway, not affiliated in anyway, just stoked to find a can that actually works well.