Region may be forced to retool its car-dominated economic model.
Top aide says government may let migrants arriving from Croatia pass through its territory.
Premier Fico threatens lawsuit at European Court of Justice over mandatory quota scheme.
Hungary may be unable to transfer 54,000 asylum seekers to other EU states.
Anti-quota bloc appears to be winning the day.
Central Europe remains dead set against mandatory distribution of refugees.
Orban plans to build another fence, this time along Hungary-Croatia border.
Illegal entries to Hungary plunge as border fence and harsh new laws divert migrants.