4 of 12
BACKNEXT
4 - Toyota Prius
Mileage: 51 city, 48 hwy

Hybrid cars rank highly based on fuel economy, but they pay a penalty because of their heavy battery packs. Cars that use nickel-metal batteries, as the Prius does, pay a higher penalty in the rankings because their batteries contain more toxic substances than do the lithium-ion batteries used in most plug-in cars.



NEXT: 5 - Honda Civic Hybrid
Last updated February 15 2011: 3:50 PM ET
Find Your Next Car
More Galleries
Why I'm protesting in Hong Kong Tens of thousands of protesters have flooded the streets of Hong Kong to demand open elections free from Beijing's influence. Eight protesters explain why they're taking a stand. More
7 epic gadget flops From the Microsoft Zune to the BlackBerry PlayBook, the Fire Phone is following in some unfortunate footsteps. More
What I gave up to save $1 million They may have million dollar-plus nest eggs, but they had to make some big sacrifices along the way to get there. Here's what these four savers did without in order to save seven-figures retirement. More

Special Offer
Market indexes are shown in real time, except for the DJIA, which is delayed by two minutes. All times are ET. Disclaimer Morningstar: © 2014 Morningstar, Inc. All Rights Reserved. Disclaimer The Dow Jones IndexesSM are proprietary to and distributed by Dow Jones & Company, Inc. and have been licensed for use. All content of the Dow Jones IndexesSM © 2014 is proprietary to Dow Jones & Company, Inc. Chicago Mercantile Association. The market data is the property of Chicago Mercantile Exchange Inc. and its licensors. All rights reserved. FactSet Research Systems Inc. 2014. All rights reserved. Most stock quote data provided by BATS.