2. Nuclear fuel is used to generate electricity in nuclear power plants. Nuclear fuel is made up of radioactive materials, such as uranium and plutonium.
3. Biomass is a type of renewable energy that is derived from plant materials. Biomass can be used to generate electricity, heat, or transportation fuels.
4. Hydropower is a type of renewable energy that is generated by the force of moving water. Hydropower can be used to generate electricity or transportation fuels.
5. Solar power is a type of renewable energy that is generated by the sun's rays. Solar power can be used to generate electricity or transportation fuels.