DOE Office of Energy Efficiency and Renewable Energy
Science Facts Written by DOE Office of Energy Efficiency and Renewable Energy
Chemistry
Hydrogen - The Simplest Element
Hydrogen is the simplest element; an atom consists of only one proton and one electron. It is also the most plentiful element in the universe. Despite its simplicity and abundance, hydrogen doesn't ... Continue reading
Biology
Bioenergy Basics
Biomass (organic matter) can be used to provide heat, make fuels, and generate electricity. This is called bioenergy. Wood, the largest source of bioenergy, has been used to provide heat for thousands ... Continue reading
Engineering
Hydropower Basics
Flowing water creates energy that can be captured and turned into electricity. This is called hydropower. Hydropower is currently the largest source of renewable power, generating nearly 10% of the ... Continue reading