EU member states officially signed off an emergency gas conservation plan on Tuesday, prompted by fears of a cut-off of Russian gas supplies, with Hungary the only opponent. The plan secures energy supplies for the winter and protects the European Union from Russia “using gas as a political weapon,” Czech Industry Jozef Síkela said in a press conference. EU energy ministers agreed on the watered-down plan at a special meeting in Brussels against the backdrop of Russian energy giant Gazprom’s announcement that it plans to reduce gas supplies to Germany through the Nord Stream 1 pipeline from 40…