Hungarian Oil and Gas Company has received approval from U.S. regulatory authorities to continue negotiations for acquiring a majority stake in the Serbian Oil Company (NIS) refinery. According to Jin10, this development marks a significant step forward in the company's expansion efforts in the region. The approval allows the Hungarian firm to proceed with discussions aimed at securing a controlling interest in the Serbian refinery, which is a key asset in the Balkan energy market. This move is part of a broader strategy to enhance the company's presence and influence in the regional oil and gas sector. The outcome of these negotiations could have substantial implications for the energy landscape in the Balkans, potentially affecting supply dynamics and regional cooperation in the industry.