India, May 15 -- US energy officials are reassessing the risk posed by Chinese-made devices that play a critical role in renewable energy infrastructure after unexplained communication equipment was found inside some of them, two people familiar with the matter said. Power inverters, which are predominantly produced in China, are used throughout the world to connect solar panels and wind turbines to electricity grids. Over the past nine months, undocumented communication devices have also been found in batteries from multiple Chinese suppliers, officials said. P13...