Alphabet wants to fix clean energy's storage problem with salt
![Photo: Martin Meissner/AP/POLFOTO](https://photos.watchmedier.dk/watchmedier/resize:fill:3840:0:0/plain/https://photos.watchmedier.dk/Images/article9084999.ece/ALTERNATES/schema-16_9/AP%2520PhotoMartin%2520Meissner.jpg)
Alphabet Inc.'s secretive X skunk works has another idea that could save the world. This one, code named Malta, involves vats of salt and antifreeze.
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