There are many websites dedicated to informing potential buyers of hybrid cars and giving tools such as discussion forums, databases to track fuel efficiency, etc, to people who already own one. We've already mentioned hybridcars.com last autumn, but a few other sites are worthy of note: GreenHybrid.com has many interesting features including a "real world mileage database" compiled from the site readers' data, a section where you can learn the basics about hybrid cars and read some more detailed articles about particular models, and a moderately active discussion forum...