[snkzxbs]

I think looking at how much it costs to operate an appliance without looking at how well the appliance does its job is relying on incomplete information. I can make a dishwasher that costs 0 to operate but doesn’t clean the dishes. Therefore I think the whole system is flawed and useless and shouldn’t exist.

[otterley]

Do you also think we should do away with mandatory fuel economy disclosures for the same reason?

Information on performance is usually provided by third parties like Consumer Reports, Car and Driver, and other review services. Government provides and mandates quantitative statistics as a public service; private parties take care of the qualitative and subjective analyses (i.e., opinions).

[snkzxbs]

No, information about power of cars is widely available in the specs sheet of the car (torque, etc). Therefore there is the chance of a fair and useful comparison.