A: 'GUST' is an acronym that stands for a series of four recent tax laws that also made changes to how retirement plans are operated. âEGTRRAâ is the acronym for the tax law enacted in 2001.
Of the renewable energy sources used to generate electricity in the United States, hydropower makes the biggest contribution. Water used to spin a turbine is a cheap, non-polluting domestic source of energy. But hydropower brings with it other environmental impacts to consider. More about hydroelectric.
Historically recognized as hot springs, geothermal energy is commonly used today for residential heating and cooling, and electricity generation. Although geothermal is not the most widely used source of energy, it is by far one of the most efficient and sustainable systems today. Geothermal Energy Today The United States is currently the world leader in geothermal energy production.