Explainer
How Do Hybrid Cars and Trucks Work?
Hybrids use an internal combustion engine—and can be fueled like normal cars—but also have an electric motor and battery.
Our experts are responding to the administration’s actions. Learn more.
Fight Project 2025 with a gift by Jan. 31!
Trump’s presidency is a grave threat to science-based decisionmaking, and the safety of our planet and communities. Help UCS mobilize to protect science and scientists. Make a gift to the Science Emergency Fund today.