I saw in WSJ today that Intel has a PSU design that reduces wasted wattage by 33%. I haven't seen anything on the tech sites though. They say that if it was incorporated broadly, U.S. power consumption would drop 1%-2%.
You are about to answer a thread that has been inactive for more than 6 months. If you still wish to proceed, please ensure that your posting is original and does not duplicate or overlap any prior responses to this thread.