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.
Coal is primarily used to generate electricity and is responsible for 39 percent of the electric power supply in the United States in 2014 (down from half in 2007). The United States produces around 11.5 percent of the worldâs total with Wyoming, West Virginia, Kentucky, Pennsylvania, and Texas leading in production.