Rather than fission power choose fusion power delivered wirelessly to you house. Our space based fusion reactor can provide you with clean, reliable and inexpensive power today.
I think it exists because people have an unreasonable price sensitivity when buying gas. They will drive miles out of their way to save a nickel a gallon. I also think they don't really have a good understanding of mpg factors. I was told by one guy purchasing it that he gets better mileage on it(which we know isn't true)
It's not uncommon, but not as common as died diesel of various types. A marina in Orange Beach Alabama sold a died diesel called locomotive diesel that is apparently different in composition from agricultural diesel.
Sadly the tax advantages is absorbed by the vendor as they are located in the water.
I understand that their are autonomous mowers. I watch Hank the Tank. I just didn't think this one was. Apparently it is largely autonomous but also has a remote.
So that big pharma can get a piece of the action.