«The user can «top up» the battery pack with electricity one or more times
during the day,» Volvo vice president of
electric propulsion systems Lennart Stegland said in a statement.
Engine off at idle Low - speed,
electric - only
propulsion Cutting off fuel to the engine
during vehicle deceleration Regenerative braking Energy - efficient accessory
systems Unlike single - mode hybrid technology found in competitors» SUVs, the two - mode
system maximizes city and highway fuel economy by integrating two
electric continuously variable modes with four fixed mechanical gear ratios.