Bloomberg: Japanese and European Union officials are in talks to jointly develop advanced solar cells and rechargeable batteries for electric cars to help nations reduce greenhouse-gas emissions. About 100 officials and experts from both sides were invited to Tokyo for meetings, said Ryo Nasu, the agency’s deputy director for energy strategy, in an interview. Electric car development has been held back by heavy batteries that limit driving range. Germany’s Daimler AG, the second-largest …