GM Hy-Wire concept car (2007) review 06 June 2007 by Ben Whitworth The Hy-wire? Sounds like a circus act… Don't be fooled. It’s a very significant bit of technology. When General Motors unveiled AUTOnomy at the Detroit Motor Show five years ago, the oddly compelling... Car Handling Performance Usability Feelgood Car ratings 5 out of 5 4 out of 5 4 out of 5 4 out of 5 5 out of 5 Read more ...