Q-I have been talking with contractors about a new air conditioner for my home. How can I calculate which unit will be most economical for me? A-Take a look at the rating of the air conditioners that ...

Operational efficiency refers to how well a business manages its resources and uses them to produce profits. While the best practices for maximizing operational efficiency are different for each ...

A power converter’s efficiency (AC-DC, DC-DC, or Buck) is determined by comparing its input power to its output power. More precisely, the efficiency of the converter is calculated by dividing the ...

Aerodynamic alloy wheels and the lack of a radiator grille aside, electric cars look very much like their petrol and diesel equivalents, despite the engineering and chemistry under the metal being ...

Nitrogen use efficiency (NUE) is used to demonstrate the relationship between a soil’s total nitrogen input compared with its nitrogen output. Calculating NUE will give growers a starting point from ...

The fuel efficiency of an electric car is measured in kilometres per kWh. It is a measure of how far the car can travel on a single unit of electricity. Calculating the fuel efficiency or mileage of ...