The advantages of hydroelectric power are that it is a renewable energy source, it uses naturally flowing water and it helps to reduce greenhouse gas emissions. It is also reliable and has low operational and maintenance... More »

Hydroelectric power is the converting of energy coming from running water to produce electricity. Hydroelectricity is a similar term that refers to the electricity that is produced from this process. More »

Two primary disadvantages of hydroelectric power include the high investment cost and its reliance on precipitation. Hydropower facilities can have a negative impact on the environment, despite not causing pollution, inc... More »

Ethanol fuel is a renewable and biodegradable source of energy that helps reduce greenhouse gas emissions, while corn-based ethanol offers positive energy balance and creates usable by-products, such as corn oil. Ethanol... More »

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One advantage of natural gas is that it is environmentally friendly due to low emissions. Natural gas produces less smog than other types, including propane. More »

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Wind power produces economic, energy and environmental benefits: it serves as a domestic fuel source, operates without burning coal and fossil fuels and provides a steady source of electricity. Wind energy comes primaril... More »

Since nuclear energy does not depend on fossil fuels, it offers benefits including reductions in greenhouse gas emissions and dependence on fluctuating oil or gas prices. As of 2014, the worldwide fleet of nuclear reacto... More »