Less than half of car dealerships had any electric cars at all last year — and it's giving buyers a hard time

• Carmakers are relying on their dealers to sell electric vehicles.
• But less than half of car dealerships had any EVs on their lots last year, according to the Sierra Club.
• Certain brands had more EV inventory than others.

Electric car adoption in the US is making headway, but still creeping up. Yet even for those car shoppers that are eager to drive electric, it's hard to get your hands on one.