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.
The worldâs most used renewable power sources. Renewable energy sources are projected to account for more than one quarter of global electricity production by 2020. Power-technology.com profiles the top five renewable energy sources based on global installed power generation capacities as of 2013. Hydropower.