Greencarcongress – Sumitomo Electric Industries (SEI) Ltd. hopes to have a prototype of a superconducting motor for electric buses ready by next spring to present to OEMs. SEI hopes to start ...

Sumitomo is showing prototypes of both technologies at the 2015 Tokyo Motor Show, which opened to the public Oct. 30. The “Gyroblade” airless tire/wheel features a tire tread affixed to the ...