Welcome to the Union of Concerned Scientists' Hybridcenter.org, your one-stop shopping for the consumer and technological information you need to understand how this new technology fits into your personal and environmental priorities.

Navigating this Site:

We've made this comprehensive web resource easy to use with these sections:

Hybrid Highlights:

At the top of the site, you'll find our highlights section including recent news articles, Hybrid Watchdog fact sheets, and the monthly newsletter of HybridCenter’s Driving Change Network.

Hybrid Scorecard:

The Union of Concerned Scientists’ comprehensive ranking of hybrid vehicles available in the U.S. market. It measures how automakers use hybrid technology to improve environmental performance and whether they make their hybrids more affordable to consumers.

Hybrid Consumer Center:

Here you will find a number of key resources to find out how hybrid vehicles might fit into your lifestyle, detailed comparisons of hybrid technologies, federal, state, local, and private hybrid incentives, vehicle reviews, hybrids on the horizon, and comments from current hybrid owners from around the nation.

Hybrid Tech Center:

The Tech center delves into the details of hybrid vehicles so anyone can understand and appreciate advantages of hybrids, and can differentiate a "full hybrid" from a "hollow hybrid." See hybrid technologies “under the hood” and see how these technologies are, or are not, being successfully used in today’s vehicles.