Cheap Environment Supplies Sweden 
Cars That Think
MARCH 17, 2023
Tesla’s investor day on 1 March began with a rambling, detailed discourse on energy and the environment before transitioning into a series of mostly predictable announcements and boasts. These magnets are weak and, more important, the world supply of cobalt is so fraught that they make up less than 2 percent of the permanent-magnet market.
Cars That Think
APRIL 9, 2022
To help dodge sanctions, Russia had demanded that by the start of this month, members of the European Union begin paying for the natural gas it was buying in rubles rather than dollars or euros, threatening to cut off supplies if they didn’t. Heat pumps are, basically, air conditioners that run in reverse.
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