MICROWAVES

To toast or not to toast? Chances are you probably don't weigh the costs of using the microwave, toaster oven, or conventional full-size oven, but you should. You can save money by factoring in the costs of energy when you cook or reheat food.

Beaming solar power down from outer space is A-OK according to the California Public Utility Commission. The regulatory body voted unanimously Thursday to approve a "Power Purchase Agreement" signed between the state's largest utility, Pacific Gas & Electric (PCG), and Solaren Space. The...