Nuclear News Roundup May 08, 2018 A study by US regional transmission organisation (RTO) PJM Interconnection on the effects of the proposed closure of four nuclear units on grid reliability ignores the units' contribution to fuel diversity and zero-carbon emissions, FirstEnergy Solutions (FES) said on 30 April. World-nuclear-news.org The National Aeronautics and Space Administration (NASA) yesterday announced the successful testing of a uranium-fuelled Stirling engine for use in possible future missions to Mars. Testing of the Kilopower reactor - which could be used to provide power to missions to the Moon, Mars and beyond - began at NASA's Nevada National Security Site in November 2017 and was completed in March. World-nuclear-news.org Saudi Arabian Energy Minister Khalid al-Falih said on Friday he was “optimistic” about South Korea being shortlisted to build nuclear power plants for the Middle Eastern kingdom. Reuters.com A coalition of business, consumer, labor and environmental groups have asked Gov. Phil Murphy to conditionally veto the nuclear subsidy bill that passed the New Jersey legislature last month. Pressofatlanticcity.com