General Electric to change from silicon solar cells to thin-film material . GE says change has the right production costs and right efficiency target . Comment: GE is developing technology to recycle the solar cell material .
General Electric to change from silicon solar cells to thin-film material . GE says change has the right production costs and right efficiency target . Thin-film solar cell material offers lowest cost per watt , GE says . GE is developing technology to recycle the solar cell material .