What we learned this week

Here’s a neat sign of the decline of fossil fuels. Porsche know that their cars tend to have a long life on the roads, so they’re investing in alternative fuels as a way of providing for Porsche owners who will be running their petrol sports cars long into the transition to electric.

And another – the Navajo Generating Station was one of America’s biggest coal power stations. It closed last year, and its massive grid connection infrastructure could be recycled into a pumped hydro energy stora...