All transportation resources
Explainer
Car Emissions & Global Warming
Transportation is one of the largest sources of US global warming emissions—but cleaner vehicles can help.
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.
Explainer
What Are Electric Cars?
Unlike conventional vehicles, electric cars and trucks use a motor powered by batteries or a fuel cell.
Report
Harnessing the Power of Electric Vehicles
UCS research shows that vehicle-grid integration (VGI) enables electric system savings, ranging from $1.8 billion - $11.7 billion per year in 2045.
Feature
Fossil Fuel Climate Deceit Timeline
Fossil fuel companies foresaw the devastating impacts of climate change more than 60 years ago.
Activist Resource
Scientific Societies Call on Congress to Save Science
This open letter, signed by more than 40 prominent scientific societies and organizations, was delivered to Congress in March 2025.
Video
Investing in Transportation Choices
It's time we invest in transportation choices for a clean, prosperous, and just future.
Explainer
EV and Energy Storage Batteries Sustainability
The batteries that power electric vehicles and store energy are vital to cutting harmful emissions and they should be as low-impact as possible.
Video
Clean Trucks Are Ready for Work
Deployment of zero emissions trucks will save lives and money.
Report
Ready for Work 2
Electrifying our on-road freight system is the surest way to reduce truck pollution and improve air quality.
Report
Making the Most of Electric Vehicle Batteries
With smart policies and investments, the US can reduce the need for newly mined lithium by nearly half.
Feature
2024 Annual Report
With your help, we made significant strides toward a better future in 2024.