National Center for Appropriate Technology. ATTRA - National Sustainable Agriculture Information Service.
This series of lessons is designed for farmers that would like to increase the energy efficiency of their farm and processes. It features tutorials on farm building efficiency, outdoor lighting, irrigation efficiency, solar, small-scale wind, and biodiesel. This tutorial includes the following lessons: Introduction to Energy Efficiency, Farm Building Efficiency, Irrigation Efficiency, Solar Electricity, Small Scale Wind, and Biodiesel.
See also: Solar-Powered Livestock Watering Systems.