natural gas & oil. Duke Energy operates a system of generating plants fueled by oil or natural gas, including combustion turbines, combined-cycle units and oil-fired units. Combustion turbines. Many of our combustion turbine units are used to supplement power supply during peak demand periods when electricity use is highest.
Carbohydrates are a type of macronutrient found in many foods and beverages. Most carbohydrates are naturally occurring in plant-based foods, such as grains. Food manufacturers also add carbohydrates to processed foods in the form of starch or added sugar.Common sources of naturally occurring carbohydrates include: 1  Fruits. 2  Vegetables.3  Milk. 4  Nuts. 5  Grains. 6  Seeds. 7  Legumes.ood manufacturers also add carbohydrates to processed foods in the form of starch or added sugar. Common sources of naturally occurring carbohydrates include: 1  Fruits. 2  Vegetables. 3  Milk. 4  Nuts. 5  Grains. 6  Seeds. 7  Legumes.
  Answer   Your body gets carbohydrates from the foods we eat. Excellent sources of carbohydrates include bread, cereal, rice, grains, potatoes and other fruits and â¦ vegetables. Your body can get carbohydrates from other foods as well but they may be mixed with the other two large nutrients -- fat and protein.he function of carbohydrates is to give energy to all the cells in our body and they fuel the basal. metabolic rate (the rate at which we use energy at rest) and activity levels. Carbohydrates are split into four groups each have their own role in the body.