the best one would be energy star
Its kinda hard to say which one because you mainly use energy in every sport.
Asko (See http://saveenergy.about.com/od/energyefficientappliances/a/EnerEffdishwash.htm )
The least amount of anything
The amount of water removed with the use of Ebac dehumidifiers depends on the moisture in the air and the model of dehumidifier. The C30 model can remove an estimated 17 pints of water per day, the ECO85 can remove 60 pints per day, and the Kompact can remove 15 gallons per day.
Dehumidifiers are safe to use in kids room. Dehumidifiers can help reduce alleviate allegy symptoms for kids and other family members by removing mold and excess moisture.
Interestingly, our bodies use less energy to digest, transport, and store FAT, and relatively more to process protein and carbohydrateAnswer = Fat
what is geothermal energy?
No.
fossil fuels are the least costly for us to use.
I would suggest looking for EnergyStar rated appliances. These appliances can use up to 30% less energy than other appliances. Here's some info from Wikipedia: http://en.wikipedia.org/wiki/Energy_Star
If you use nuclear energy in place of fossil fuels, you are conserving the fossil fuel, that is reducing the amount you use.
LED lightbulbs use the least power for a specified amount of light, followed by fluorescent light; the old-fashioned incandescent lights waste the greatest amount of power.