This building accepts silage, sugar beets, or corn, it produces a by-product of digestate and gives you an hourly income This building requires downloading the Global Company Script from the ingame modhub.
Input: Silage, Corn, or Sugar Beet
Output: Money and Digestate(If you put in 1k product 1k digestate is produced.)
I'm still working on getting a better estimate on the income. As of now on the in game European map pays as follows.
Silage 1,440 per 1K
Sugar Beet and Corn 720 per 1K
This income changes per map and I still don't know if it will change with economy.