TOKYO -- Electric vehicles will indicate how much charge they can still hold under proposed guidelines being drawn up for carmakers by the Japanese government.
Gauges form part of effort to support used-vehicle market

The Nissan Leaf already tells drivers how much of a battery's capacity remains. (Photo by Tomoki Mera)
TOKYO -- Electric vehicles will indicate how much charge they can still hold under proposed guidelines being drawn up for carmakers by the Japanese government.