Hybrid Vehicle Research Center

Hybrid vehicles combine an electric motor with a gasoline engine for improved fuel economy or performance with reduced emissions.

Latest on Hybrids

What is a Hybrid?
Learn about the technologies and drive systems used in today's hybrids.

The History of Hybrid Vehicles
Hybrids may seem like new technology, but in fact they've been around for more than a century.

Hybrid vs. Diesel vs. Gas
Which is the right choice when looking to purchase a fuel-efficient vehicle?

Message Boards

Need help choosing a hybrid car? See what other car shoppers and owners recommend on our Hybrid Cars message board.

Compare Photos

View side-by-side photo comparisons of your favorite vehicles.

Hot Comparisons

More Fuel-Saving Alternatives

Top Ten Fuel Misers
While hybrids top the list, other fuel-efficient vehicles are out there.

Go Green With Gasoline
Some of today's fuel-efficient gasoline engines can compete with hybrids.

Clean Diesel is Here
After a century with a dirty reputation, diesels are suddenly looking green.

Multimedia

Chevrolet Volt Video
Learn about this innovative new concept from General Motors.

High-Performance Hybrid
Toyota debuts a hybrid concept car that boasts 400-horsepower.

GM Hybrid Bus Video
General Motors enters the hybrid arena in a big way, with 235 energy-efficient, low-emissions transit buses.