June 4th, 2009 Toyota: hybrids best ‘ green ‘ car for some timeTOYOTA, Japan — A Toyota executive overseeing research said Thursday a battery breakthrough is needed for electric vehicles to become mainstream, and hybrids will remain the best … September 15th, 2009 Daimler bets on efficiency, shows electric, hybridFRANKFURT — Daimler AG unveiled a number of new electric and hybrid cars Tuesday at the Frankfurt Auto Show, saying it plans to keep its focus on luxury and fuel …