fuel efficiency

General Motors really wants you to love the Chevy Volt, but the GM car everyone actually lusts after is the Camaro. Now, with automakers under pressure to improve fuel economy, GM faces a challenge -- how to update a gas-guzzling V8 icon for a greener world.

Gas prices are going up again, and it feels a lot like Groundhog Day: Same old problem, and media outlets are dispensing the same old advice. Not us! Here are the most interesting and innovative ideas our readers offered for reducing your pain at the pump.

BP has big problems, and not just because of the Gulf of Mexico oil spill and the $20 billion compensation fund it set up to pay the victims. The petro-giant has been missing Wall Street's profit targets lately, thanks to sloppy operations and a general trend toward lower gasoline consumption.

In the year 2025 If man is still alive Cars that get good mileage We will drive. At least that's the plan. Last week, the Obama administration unwrapped its latest fuel-mileage requirements: 54.5 miles per gallon by 2025. That is double the current corporate average fuel economy standards, also...

If you're among the 39 million Americans on the road for the Fourth of July weekend, you're burning up hard-earned money with every mile. Pump prices were still averaging a hefty $3.55 a gallon across the nation for regular on July 1, so it's time to fuel up on gas-saving tips.

Summer is car buying season, but this year, it's a sellers market. Between the Japanese earthquake, high gas prices and a shaky economy, you'll have to work harder than ever to score a deal on the vehicle you want. But it can be done, and we've got advice from the experts on you how can do it.

Used vehicle prices are at 16-year highs, making it as good a time as there's been in a while to sell your car. Here are a few things to keep in mind if you're selling, as well as some savvy moves for landing your next vehicle in today's complicated car market.

We've already shared some ideas from our readers on ways to economize, squeeze extra miles out of your tank, and find surprising discounts. In the final part of this series, we'll take a peek at some of the more unusual methods that you offer for reducing pain at the pump.

Two weeks ago, DailyFinance asked our readers for their advice on how to save money at the pump. In the more than 1,500 responses that followed, we found a lot of creative solutions. Today, we look at maintenance and new-vehicle options that will help you spend less per mile.

The major players in the auto industry have had it rough in the past few years, first with the massive sales declines caused by the recession, and more recently, with the disaster in Japan. But the next challenge they face is already looming on the horizon: A slowdown in Chinese car sales.