fierce battle among Japanese automakers is likely to be staged during the Group of Eight summit in Japan this July, with carmakers using the session

Afierce battle among Japanese automakers is likely to be staged during the Group of Eight summit in Japan this July, with carmakers using the session as a showcase for their fuel-efficient cars, including hybrid and fuel-cell vehicles.

Toyota, Mitsubishi and other automakers will provide about 100 fuel-efficient cars to transport participants at the summit meeting, The Yomiuri Shimbun, a Japanese newspaper, reports in Tuesday's edition.

Toyota will provide about 80 hybrid cars, including luxury Lexus models, minivans and compact cars for participants making short trips around the venue. The company also is planning to provide plug-in hybrid electric cars for participants' use.

Mitsubishi will be holding test rides of its iMIEV battery-powered city car. Mazda reportedly will make a hydrogen-fueled sports car available for use. Honda is considering providing hybrid and fuel-cell cars for participants' use.

Environmental problems will be one of the major topics at this year's summit. The G8 countries consist of Britain, Canada, France, Germany, Italy, Japan, Russia and the United States.