草案文件显示，欧盟委员会将于6月提出立法，为各国制定目标，以替代俄罗斯的核燃料。

Core Point - The European Commission is set to propose legislation in June to establish targets for countries to replace Russian nuclear fuel [1] Group 1 - The legislation aims to provide a framework for EU member states to transition away from reliance on Russian nuclear fuel [1] - The proposal is part of broader efforts to enhance energy security within the EU amid geopolitical tensions [1] - The initiative reflects the EU's commitment to diversifying its energy sources and reducing dependency on Russian imports [1]