Donegal, Pennsylvania. PA Turnpike at Donegal, PA, 1959. Donegal is a borough in Westmoreland County, Pennsylvania, United States. It is a distinct municipality from the adjacent Donegal Township. The population was 165 at the 2000 census. Donegal is best known as an exit on the Pennsylvania Turnpike with restaurants, gas stations, and a hotel for travelers.
Renewable energy is energy generated from natural resourcesâsuch as sunlight, wind, rain, tides and geothermal heatâwhich are renewable (naturally replenished).Renewable energy technologies range from solar power, wind power, hydroelectricity/micro hydro, biomass and biofuels for transportation.his includes sunlight, geothermal heat, wind, tides, water, and various forms of biomass. This energy cannot be exhausted and is constantly renewed. Alternative energy is a term used for an energy source that is an alternative to using fossil fuels.
Americans use many types of energy. Petroleum, natural gas, coal, renewable energy, and nuclear electric power are primary sources of energy. Electricity is a secondary energy source that is generated from primary sources of energy.