My Wednesday science day will honor the new president of Mexico, Claudia Sheinbaum, for she is an energy engineer.  From   Energy Matters   of the American Energy Society: About 200 coal plants in the US have   closed   in the past decade , which leaves about 50 still operating, mostly in Pennsylvania, Texas, Indiana, Wyoming, Kentucky, West Virginia and Iowa. ( Note : in 1990, coal-fired power produced about half of US electricity; now it's about 16%.)   Renewables : Battery storage capacity has quadrupled in the last four years - Global battery storage installations last year reached 2,400 GWh, a quadrupling of capacity over four years.   The 4 regions that installed the most battery storage last year: 1.   China   (+34.5GW of new battery storage) 2.   Europe   (+24 GW of new storage) 3.   United States   (+15 GW) 4.   Australia   (+2.5 GW)   - The American Energy Society is sector agnostic, non-partisan, and rarely (if ever) offers an opinion; however, perhaps   hydrogen might h