What Do We Need From the Battery of the Future?

Imagine a car that could go 300 miles – that’s Chicago to St. Louis – on battery power. That’s not possible today without either an assist from a gasoline-fueled engine functioning as a charger (the Chevy Volt solution) or an alternate drive provider  (the Toyota Prius solution). The fact that such cars need, in effect, two engines, means that battery-powered options remain much more expensive than their purely gasoline-fueled peers, which require only a single powertrain.

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