Energy and Global Warming News for February 9: Ford to unveil …

This is how the Ice Bear works: It fluctuates between charging and cooling, freezing 450 gallons of water at night (a process that might be said to “store” electricity) to then reverse course during the day. … Energy is lost in the conversion process from ice back to water (as much as 15 percent), but Ramirez said a temperature gradient of 15 degrees Fahrenheit or more from day to night makes the product energy neutral. “In most of California, the average gradient [ the …

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Energy and Global Warming News for February 9: Ford to unveil …