Like any consumer electronics product, a car powered solely by electricity will work only as long as there's juice in its battery, and most "battery electric vehicles," or BEVs, sold to-date have typically provided less than 100 miles of range on a full charge. So, to help buyers overcome "range anxiety"-concern about running out of power in the middle of a commute, for example- automakers have stressed ways to top-off the proverbial tank: offering a variety of home charging stations and working to boost the number of commercial charging venues nationwide. BY ROBERT E. CALEM 14 MARCH/APRIL 2016 I T I S I N N O VAT I O N