Hi Jane ~ I've also read this recently. I've never had a dishwasher. There is just the two of us. I lightly rinse and stack dishes in the sink, then when ready to wash them I wash them in one sink, pile the washed dishes in other sink til the sink is full, then rinse them. I can hardly believe that washing dishes in a dishwasher is more energy efficient, considering the electricity, and the water used, but I didn't do the study. They do save time. I've used them at other people's homes. I enjoy washing dishes looking out the window into our secret garden, seeing the butterflies flitting about one flowering shrub that we have and seeing the blue sky, other flowers and trees, etc. I feel thankful.
We are all unique, living different lives. If we ever sold this place and moved into a house that had a dishwasher, I would use it. 
FlowerLady