“An Epic Challenge” | Apartments That Are Off-Grid and 100% Renewable, Using Vehicle-to-Grid Battery Back-Up, Cost Effective Embodied Carbon Reduction, Passive House Envelope and Power Efficient Appliances Description Redwood Energy (redwoodenergy.net) designed North America’s first Net Positive apartments (2011) and first New Positive subdivision (2014), won the Grand Prize World Habitat Award from the United Nations (2016), and their Managing Principal, Sean Armstrong, was inducted into the California’s Hall of…