Union of Concerned Scientists

• Scientific Integrity
• Global Warming
• Clean Vehicles
  • Clean Vehicles 101
  • Vehicle Technologies
    • Hybrids, Fuel Cells, and EVs
    • Gasoline and Diesel Technologies
    • Biofuels
  • The Impacts of Gasoline & Diesel Vehicles
    • Cars, Pickups, and SUVs
    • Diesel
  • Clean Vehicle Solutions
    • Cleaner Cars, Pickups, and SUVs
    • Advanced Vehicles and Fuels
    • Cleaner Diesel
  • Regional Information
    • California and Western States
  • What You Can Do
  • Successes
• Clean Energy
• Nuclear Power
• Nuclear Weapons & Global Security
• Food & Agriculture
• Invasive Species

What You Can Do

You can take both personal and policy steps toward reducing oil use and emissions from the transportation sector:

How to Maximize Your Vehicle's Fuel Economy
How you drive and take care of your vehicle affects its fuel economy and emissions levels. The Union of Concerned Scientists has provided a few simple tips to reduce the environmental impact of your vehicle.

Go Hybrid, But Choose Wisely
The UCS Hybrid Center can help you understand hybrid technology and help you make the best buying decision for your needs.

Write a Letter
UCS provides activists with the tips and tools to help create effective letters to your legislators or write compelling letters to the editor of your local newspaper.

Campaign Highlights - Summer 2009
Check out what our activists have been doing recently and what they've helped us accomplish.