Commercial car-sharing services were used by about 6.5 million people this year and that could soar to 26 million by 2020, predicts a report from Berg Insight. “Car-sharing services are becoming more sophisticated by adoption of new technologies like smartphones for booking and accessing the cars without the need for a key or smartcard,” says senior analyst Andre Malm.  A Berg Insight report mainly covers carsharing services offered by commercial carsharing organizations and companies, not peer-to-peer firms