How Russia’s invasion is affecting U.S. nuclear By Hannah Northey | 03/14/2022 06:20 AM EST Russia’s invasion of Ukraine is raising questions about the cost and flow of fuel to existing and yet-to-be commercialized advanced U.S. reactors touted by advocates as a tool for tackling climate change. President Biden didn’t target the nuclear sector when he issued an executive order this month to block imports of Russian crude and natural gas. But as the war drags on for a third week, the White House is consulting with the nuclear sector about the potential impact of imposing sanctions on Rosatom, Russia’s...