Your whole premise is wrong. Energy star doesn't make a company do anything besides disclosure.
> manufacturers don't have any incentive to start producing power-guzzling appliances when power costs are increasing
That's only true if customers can know how much energy their devices are going to use. Energy star forces that disclosure and that's it. Market forces are done everything else. Consumers prefer lower energy costs and devices that voluntarily achieve an energy star certification
Also, "takes like 4 hours to finish a load", I have a new dishwasher, there is no combination of settings (except adding a delay) that will make a load take four hours. Max I can get is 2:36
> manufacturers don't have any incentive to start producing power-guzzling appliances when power costs are increasing
That's only true if customers can know how much energy their devices are going to use. Energy star forces that disclosure and that's it. Market forces are done everything else. Consumers prefer lower energy costs and devices that voluntarily achieve an energy star certification
Also, "takes like 4 hours to finish a load", I have a new dishwasher, there is no combination of settings (except adding a delay) that will make a load take four hours. Max I can get is 2:36