Toilets designed to save water are actually wasting it at an alarming rate, says the U.K.'s largest water utility. Dual-flush toilets have separate buttons for heavy or light flushes with the goal of ...

During the past year, various vendors, entrepreneurs and inventors, promoting dual-flush conversion devices for tank-type toilets, have approached numerous water efficiency professionals, water ...

Q: My wife and I are in a disagreement over the new toilet we plan to purchase. We both want to install a high-efficiency toilet, but we have not decided on the flushing system. I would like a ...