Don't forget the millions of gallons of sewage generated daily in major cities like New York and LA.
Imagine the money those cities could earn if they scrapped their sewage treatment plants and converted them into TDP facilities.
The municipal government could charge city residents a sewage fee...
...and then sell the oil for a profit.
In essence, they'd be able to collect payment two-fold for one service.
And if that isn't a sweet deal, I don't know what else is.
True enough. In addition to sewage, think of the dumb-a55 recycling centers. The only "recycle" stream that works at a profit is aluminium. Plastic, glass, and paper are not profitable. The state and local recycling centers enjoy federal subsidies (source: Penn and Teller's "Bull5h1t"). The petroleum recovered from plastic could be really big.