There's a big education component, too. Not only will expo attendees get to check out the intricate components that compose an electric car, some of the parts will have QR codes on them.

Expect to trade in your electric car for one that is better and cheaper two or three years down the road. Do your research on the battery first. ... 2011 Nissan Leaf - battery pack cutaway.

The 2018 Nissan Leaf will likely be revealed within the next three months, but more than 100,000 older Leaf electric cars are still silently in use on U.S. roads. ... battery pack cutaway.