EFuel EFN Corp (EFLN)

[Kool Aid Man]

Slavoljub & Ljubica live in a house currently appraised for tax purposes at $178k.

Frankly I've never seen anyone --especially the President and CEO's in a public company-- especially one like EFLN that claims to have over 1/2 BILLION DOLLARS in "assets"-- that live so modestly.

https://lake.county-taxes.com/public/real_estate/parcels/3119250750-000-00500/bills/3662873

This history shows they were delinquent in paying in 2006, 2007, 20010 and 2011.
https://lake.county-taxes.com/public/real_estate/parcels/3119250750-000-00500/bills

Each of those times their house was the subject of a "tax deed sale" by the county because of unpaid taxes for the previous year. The successful bidder at this auction is issued a Tax Lien Certificate, which ensures the bidder that the Tax Lien will be paid off, with interest. Here's more on how the process works in Florida.
http://dewittlaw.com/foreclosure/6041/how-do-tax-deed-sales-in-florida-work-what-liens-survive/