Clothes Washers

Is there an ENERGY STAR label for clothes dryers?
What clothes washer cycle is tested when determining ENERGY STAR qualification? Do the extra features offered on some clothes washers affect the efficiency of the product?
What are "Modified Energy Factor" and "Water Factor" on the ENERGY STAR certified clothes washers list?
What does a "+" or "*" mean on an ENERGY STAR product list?
My new ENERGY STAR certified clothes washer runs much longer than my old clothes washer. How is that saving energy?