Since the EPA and ambulance chasers have teamed up to destroy the functionality of the lowly gas can, you're essentially wasting money buying anything off the shelf at a big box store. I've turned to VP Racing fuel jugs:
https://amzn.to/2YKdCE5
I'm thinking about buying about buying these to retrofit a pile of EPA cans I have laying around:
https://amzn.to/2AE5sFl
get these as well as the jugs, makes life simple when using.