Wrightspeed begins to convert trolley-buses into hybrid-electric buses in New Zealand July 15, 2016 | Asia Pacific News Wrightspeed has begun the conversion of a trolley bus owned by New Zealand-based NZ Bus into the country’s first hybrid electric powered bus. A total of 60 trolley buses and several hundred diesel bus... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password