NEWS

Solar energy can be used thanks to solar-saline waters

Solar energy can be used thanks to solar-saline waters Another way of using solar energy is the work of man-made solar salt ponds. Such a pond can be used in the summer for hot water, and in winter as a source of low-temperature heat to raise the temperature of the refrigerant vapor heat pump just before the compressor. Solar-salt pond - a shallow ...

To Stop Killing Earth, NYC’s Food Carts Get Solar Panels

NYC’s Food Carts Get Solar Panels THERE ARE 5,000 licensed food carts in New York, and they’re as much of an urban icon as the MTA’s subway signage or the Chrysler building. Too bad they’re killing the planet. It’s not the food—the grub is OK, if not exactly slimming; it’s the gas generators powering the carts. Most food carts run ...