![<p>Zinc Air executives, from left, Mathew Cottrell, Kevin Waldher, David Wilkins and Ron Bost pose for a picture Thursday night during an open house. Zinc Air is developing battery systems for storing and delivering renewable energy.</p>](https://hagadone.media.clients.ellingtoncms.com/ARTICLE_312039973_EP_-1_FICQQVHUEQOW_t1170.jpg?5cc718665ab672dba93d511ab4c682bb370e5f86)
<p>Zinc Air executives, from left, Mathew Cottrell, Kevin Waldher, David Wilkins and Ron Bost pose for a picture Thursday night during an open house. Zinc Air is developing battery systems for storing and delivering renewable energy.</p>
December 3, 2012
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December 3, 2012 9:52 a.m.