A recent article published by Comercial Fleet shows Renaults new Kangoo ZE electric van that can cover a real world range of 125 miles in summer.
"The extended range has been achieved by a new battery mated to a new motor and the incorporation of a heat pump. Renault says the new Kangoo ZE is also faster to charge than its predecessor, taking as little as six hours to fully charge the battery. A one-hour charge will add 20 miles".
You can read the full article here
Note the caveat "in summer" however as long as the users of these vehicles only need to cover 80 - 100 miles per day then this should offer great overall running costs and be as environmentally friendly as can be.