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.
We use renewable energy sources mainly to make. electricity. Electricity and hydrogen are different from the other energy sources because they. are secondary sources of energy. Secondary sources of energyâenergycarriersâ are used to store, move, and deliver energy in easily usable form. Wehave to use another energy source to make electricity or hydrogen. In the UnitedStates, coal is the number one energy source for generating electricity.