Both countries use demands for more autonomy by ethnic Hungarians in Romania as a political issue.

Extremist factions could strengthen further if the Hungarian economy continues to struggle.

Zagreb will focus on liquefied natural gas while Moscow maintains its transit states' energy dependence.

A proposed law would firm up control of Hungary's natural gas storage facilities at a critical time.

Eurozone integration efforts have been met with different responses from Hungary, Romania and Bulgaria.

Poland's lack of natural barriers has invited foreign invasion, but it also creates opportunities.

Brussels is attempting to give Central and Eastern European countries negotiating leverage over natural gas prices.

Nationalizing an energy firm could hurt Budapest's credit-line talks with Europe and the International Monetary Fund.

The 17-member eurozone is slowly pulling away from the EU.

A potential nuclear plant in Belarus is meant to undermine Lithuania's nuclear power ambitions.