Sending coals to Newcastle is an old English saying for a pointless venture like sending something to a place where it's already made. In a green 21st-century take on the idea, California has sent to Japan a shipment of rice that has been produced entirely with solar power. Several California companies pooled their stock to put together an entire load of rice that was not only grown using solar energy (ie, the Sun), but also dried, stored, milled and packaged at solar-powered facilities..
Driers,
