Created specifically for the U.S. market, the Optima Hybrid features a full parallel hybrid system which consists of a 168 PS (124 kW / 166 hp) 2.4-liter petrol engine and a 30 kW (41 PS / 40 hp) electric motor.
http://www.youtube.com/v/XgAiuH4DYAQ?fs=1&hl=en_US&rel=0
2011 Kia Optima Hybrid unveiled at Los Angeles Auto Show [video] (http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/MBjt7fcptvA/2011-kia-optima-hybrid-unveiled-at-los-angeles-auto-show)