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.
Oil is the largest source of energy in the United States, providing close to 40 percent of all of the nation's entire power needs. Though most oil is used for transportation or home heating purposes, a small percentage is still used as a fuel for electricity generating plants.