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A novel photovoltaic technology moves into large-scale production.
A startup is selling cylindrical solar cells that can generate more power than conventional panels.
Thin but efficient solar cells use one-tenth the silicon of conventional cells.
New materials for high-performance cells could make solar power affordable.
Integrating solar cells into building materials could make solar power more attractive to homeowners.
A new solar panel could lower costs and improve efficiency.
A more efficient way to concentrate sunlight could reduce the cost of producing solar power.