Scientists in the United States have demonstrated simple methods for ‘healing’ the cracks that form in perovskite solar cells. While it is far from clear how the approach could be applied commercially, the work suggests possibilities for maintaining the performance of perovskite cells in long-term operation.
Senator and 2020 candidate Elizabeth Warren has announced plans for a targeted expansion of renewable energy development on public lands along with a moratorium on new fossil fuel leases.
Like other large U.S. third-party solar companies Vivint is increasingly moving away from the leasing model to direct sales.
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