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hydrogen fuel cell EV GM Colorado
![Tina Casey headshot](https://back.3blcdn.com/sites/default/files/pictures/2019-09/20190903_194129.jpg)
Tina writes frequently for TriplePundit and other websites, with a focus on military, government and corporate sustainability, clean tech research and emerging energy technologies. She is a former Deputy Director of Public Affairs of the New York City Department of Environmental Protection, and author of books and articles on recycling and other conservation themes.