As I type this I'm running most of my home from my wife's Prius. No, it isn't April 1st. Three years ago I bought a large inverter and a large battery bank, so I could run most of the 120 volt circuits in my house at night when I wouldn't want to listen to a generator (during an outage). I knew at the time that I could hook up the inverter to the traction battery (the big one that drives the electric motors) in our Prius, but I didn't. Without going into geeky details, the inverter is a special type which can accept the high DC voltage output by the Prius, most of the ones you find at the store and online can't work with that high voltage.
I finally decided what the heck, and made the connection after a few hour's work today. I'm going to run it overnight to measure the amount of gas it consumes. Reading discussions online from others that have done this, it could run for 3 to 5 days on one tank of gas although I'm only going to shoot for about 15 hours.
So how is this a podmod? Now our Prius is a big generator on wheels. We can go dry camping and still use the microwave and A/C without hauling around and listening to a loud generator. 