The Clarity Plug-In Hybrid is engineered to earn a class-leading electric range rating  while providing the flexibility of filling up. So when the electric battery runs out, the gas-powered engine kicks in – resulting in a class-leading 47-mile all-electric range rating and 340-mile total range rating . Class based on non-luxury mid-size plug-in hybrid sedans.  Ratings determined by the EPA. Use for comparison purposes only. Your driving range will vary depending on driving conditions, how you drive and maintain your vehicle, battery-pack age/condition and other factors.