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 kilometers per kWh, which determines how far the car can travel on a single unit of electricity. How to calculate fuel-efficiency or mileage of ...

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 ...

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 ...

The inventory turnover ratio shows how efficiently a firm has used its inventory. This is important in a small business, where storing excess inventory can be an unwanted burden and cost. Calculate ...

Real-life fuel efficiency figures of cars rarely match those provided by the manufacturer. How could they? While our cars are driven in the hustle and bustle of the cities, where a variety of ...

Q: Whenever I shop for an electric or gas appliance, I hear and see many efficiency claims. Determining which are legitimate gets confusing. How can I compare the A: Depending on the type of product ...