Electric motorcycle maker Zero has released their new model, the XU that comes equipped with a removable battery pack to make charging more convenient.  The battery can be taken inside and charged in about an hour.  With the purchase and charging of multiple batteries non-stop use can be achieved by simply carrying the batteries with you and swapping them out as you lose your charge.  The XU was designed for more city riding, while Zero's previous models, the X and MX were designed specifically for off-road use.

Another bonus, without the removable battery pack, no one can steal your motorcycle!