File:Direct Current podcast by US Dept of Energy - Episode 1 - Tackling the Hidden Costs of Rooftop Solar.opus
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Direct_Current_podcast_by_US_Dept_of_Energy_-_Episode_1_-_Tackling_the_Hidden_Costs_of_Rooftop_Solar.opus (Ogg Opus sound file, length 24 min 37 s, 133 kbps, file size: 23.47 MB)