I was filling up the car Monday at the same station where I buy my non-oxygenated premium gas for the small engines. I noticed the sticker on the E0 pump that says it's for collector cars, offroad use, boats, and small engines now says purchase of less than 4 gallons is against federal law. WTF is that about? We can either ignore that when I fill up my 2 gallon can, or I can pump 2 gallons on the ground; their call.