If you've got an older car in your driveway, which experts say is getting to be more typical lately, what happens when the battery poops out? You'll be paying $100 to $200 to pick one up at a retail parts store. But what about hybrid electric vehicles?
Hybrid Electric Vehicle
Ener1 first to integrate lithium-ion battery into HEV (explains the difference between HEV and PHEV batteries to me)
In October, we noticed a Prius in an Ener1 video and predicted Ener1 was working on a plug-in Prius. Later, we read in SEC files that Ener1 would show a demonstration car in December and questioned if the Prius was that car. Turns out we were right, almost. That car in the video did use Ener1's batteries but it was not a plug-in and there is a difference.