Coal, Concrete, the Zero-Carbon Cure, and Musk’s $100 Million XPRIZE
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An April 2021 Associated Press report posted at Power Engineering announced the latest first prize winners of Elon Musk’s $20 million XPRIZE. $15 million (with the other $5 million going to promising runners up) was split between two of the most unlikely candidates (from the green-minded environmentalist point of…