Nowadays, most computers you can get in the UK are energy efficient. Many manufacturers will state this on the outside of the computer. A known energy efficiency classification company is Energy Star.
According to the experts this web site is bogo.
The diesel is more efficient but more expensive to build.
The upfront cost is higher and harder to swallow, however in the long run, energy efficient appliances can save you money. They use less energy each time they are used, so your monthly bills will be lower.
Gas ovens are generally more efficient with energy consumption.
Heating with electricity is generally less efficient and more expensive compared to other heating methods, such as natural gas or propane. This is because electricity is often more expensive and less energy-efficient than other fuel sources.
To read more about energy efficient air conditioners, go to wikipedia and look up Energy star. This will give you information on how and why a unit will be more energy efficient and "green".
I would assume it means that the more efficient it is, the less energy it intakes and the more efficient the system is at retaining the energy it intakes.
It is only a little more energy efficient than creating new plastic. Aluminum recycling, though, is 90% more energy efficient than making new aluminum for bauxite.
Leaving lights on when not in use does not make a home more energy efficient as it unnecessarily consumes electricity.
a herbiorous diet be argued as being more energy efficient tnan a carnivores
General Electric has many models that are more energy efficient than Maytag.
Using a more efficient washer and dryer along with an energy efficient dishwasher will save a good amount of money as well as changing to energy efficient bulbs.