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.
Carbohydrates provide fuel for your body in the form of glucose or sugar. There are two types of carbohydrates -- simple and complex. Simple carbohydrates are sugars, such as the ones found in candy, fruits and baked goods. Complex carbohydrates are starches found in beans, nuts, vegetables and whole grains.Two-thirds of Americans are either obese or overweight.We have an epidemic on our hands!imple carbohydrates are sugars, such as the ones found in candy, fruits and baked goods. Complex carbohydrates are starches found in beans, nuts, vegetables and whole grains. Two-thirds of Americans are either obese or overweight. We have an epidemic on our hands!