Fuel economy's because most farm equipment runs on gas or diesel. When it's gas you need the right grade for that kind of equipment and need to know how much fuel stuff is gonna use.

[Now feigning interest, Kon puts his coffee down and finally comes over to take a look.]

I've never seen a quiz like this that actually asks farming questions. I wonder if it was made by some 4H nerd.

[He takes over the mouse and clicks on an answer to see more questions.]