- Item 74771 - 'Let's Conserve' button, ca. 1976
- Contributed by Maine Historical Society
- Item 74771
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The energy crises of the 1970s brought an emphasis on energy conservation that included high-efficiency light bulbs, windows, appliances, and insulation products focused on home energy management.Show Details
Central Maine Power Co. and other utilities that had spent many years promoting electrical usage, now urged conservation.