Improved power efficiency has been addressed with, among other technology advances, new and improved phosphor mixtures and more efficient electronics.

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Aron Cramer: Looking back over the last 20 years we see very positive developments: poverty has been reduced, more and more companies have stated commitments to sustainability, energy efficiency has improved, and consumers have access to a lot more information.

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While Title 24 has improved building efficiency by more than 50%, these technologies have not been applied to existing buildings in a comprehensive manner.

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