Old style top-load washers can leave as much as 2 gallons of water in a load of freshly washed laundry. That's after the spin cycle! All that moisture has to be extracted in the dryer, which translates to longer drying times and higher energy costs. High-efficiency top-loaders and front-load machines, on the other hand, use higher velocity in their spin cycles. High speed spinning removes more water per load and is another important feature that distinguishes high-efficiency washing from conventional clothes washing. There is one small downside to improved water extraction, though. It can set in wrinkles that won't shake out as easily in the dryer. Oh well, no technology is perfect.