Enerfy - Connect with your Car Connect for powerful information about your cars and your driving. Replay  rewinding your trips in detail. Smart Score  every 100 points gained saves 5% on gas. Sport Score  helps you drive fast but safe and energy efficient. Find your car, Automatic log book, True speed, Leaderboards, Challenges, Friends, Trend graphs, Support teen drivers, Fault codes, Emergency numbers, Safety index and much more. The benchmark that is comparable, independent of car brand and traffic. No subscriptions. Open to use in all your cars, with several user accounts.