5 September
5 September · 20:28 UTC
A solar panel that weighs only as much as a primary school-aged child will produce as much energy as 8 tonnes of coal, or 40 barrels of oil.
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5 September · 20:28 UTC
A solar panel that weighs only as much as a primary school-aged child will produce as much energy as 8 tonnes of coal, or 40 barrels of oil.