"Toyota is due to showcase new hybrid-only models, under both the Toyota and Lexus luxury brands, at the next Detroit auto show in January." Toyota to start lithium-ion battery output in 2009 - Boston.com "We plan to use both nickel-metal hydride and lithium-ion batteries, choosing the appropriate option depending on the vehicle," President Katsuaki Watanabe told a news conference to outline Toyota's environmental activities. Toyota to start lithium-ion battery output in 2009 | Reuters
Good. That will surely bring the price of the battery pack down. Hopefully replacement packs for the older generations too.