writes: Envia announced their 400 Wh/Kg battery, 2.66x better than standard Li-ion batteries (150 Wh/Kg). With no other improvements that's an EV that can go 300 miles per charge.
They have GM and DOE funding, and are predicting a commercial product in 3 years.
Frankly, Scarlett, I don't have a fix.
-- Rhett Buggler