Nonrenewable energy sources like fossil fuels are being depleted and will eventually run out. 91% of U.S. energy in 2023 came from nonrenewable sources including petroleum and natural gas. Despite ...

Fossil fuels, including coal, oil, and natural gas, have been dominant sources of energy for the past 150 years, supplanting whale oil in the late 19th century as the top energy industry. Their ...

"Energy transition" is a very common term but has no official definition. This article reviews the four key theories and what ...

Clean electricity from the sun and wind has expanded at record speed, but the next phase of decarbonization will be defined by something different: a source that can run almost all the time, in almost ...

A new Policy Brief from The Heartland Institute offers a comprehensive evaluation of seven primary electricity generation sources: biomass, coal, hydropower, natural gas, nuclear, solar, and wind, and ...

Digital generated image of multiple environmental rectangular cross sections with different types of energy supply. Sustainable city concept. Using data from this survey and a variety of other sources ...

An oil pumping jack and wind turbines in a field in Nolan, Texas, in April 2025. (Brandon Bell/Getty Images) How we did this Pew Research Center conducted this study to understand Americans’ views on ...

Learn how energy taxes work, their types, impacts on government revenue, and their role in promoting energy conservation and reducing emissions.