What is Latest technology in automobile engine?

Latest Technology in automobile engine -

* Use of Alternate fuels

* Direct fuel injection - DICOR/ TCIC/ CRAIL/ MPFI

* Hybrid engines

* Electric powered vehicles

*

http://www.howstuffworks.com/5-new-engine-technologies-make-cars-fun-to-drive.htm

5 New Engine Technologies That Make Cars More Fun to Drive

http://www.itepsa.com/

Engine Technology in Japan