OSLO:- Electric or hybrid vehicles accounted for more than half of all new cars sold in Norway last year, official data showed on Wednesday, confirming the country’s pioneering role in carbon-free transport. Zero-emission, mainly all-electric as well as a few hydrogen-powered cars, accounted for 20.9 percent of total sales in 2017, while hybrid vehicles accounted for 31.3 percent, the OFV Advisory Council for Road Traffic calculated. That represents an increase over the previous year, when zero-emission and hybrid cars accounted for 15.7 percent and 24.5 percent respectively of total sales.