New ways of sharing fuel

Howdy farmers,
Farmville introduced stats some time ago.
Now after that it has intoduced some new ways of sharing fuel.
You get to share fuel with your neighbors whenever you get ahead of one of your neighbors in one of the various things in stats.

Some example like

Like this is for getting ahead in mastery sign from another neighbor.

Like this is the one for getting ahead in number of collectibles from your neighbor.
There are more like this