I like your cover a lot. Is something like that available commercially?I have a couple EU2000i's. Now that warranty is almost up on second unit I plan to add an optional propane fuel capability to them.
You can still burn gas when needed.
I currently use marine tanks for extended run times. Just pick up an extra EU2000i gas cap.
I made a little fold up shelter for my EU2000i's when outside in the elements.