For years Uber has been battling with Barcelona taxi drivers who have argued that UberPOP engages in unfair competition by using unlicensed drivers that are not subject of the same regulatory hurdles as a regular “transport company.” And while Uber has historically taken the approach of just entering new markets and sorting out the regulatory hurdles later, it looks like those hurdles are finally catching up with them in the European Union…which we suspect will not be well received by Uber’s private investors that recently dumped money into the company at a modest $68 billion valuation.<