Dive summary:

• Kansas City has generated $2.1 million in additional income over the past six years from using human waste as fertilizer on its biofuel farm.
• The biosolids are used specifically for biofuels and not for any part in the food chain.
• The Water Corporation uses similar programs in a broader range including forestry, compost and agriculture in Australia.

From the article:

This is really impressive news, taking biosolids from wastewater treatment and using them to add value. It is important to note that the biosolids are not used in the food chain, but instead get used for biofuel. This has led to marked increases in income from the treated land. ...