Fuel efficiency

New Mileage Standards Would Double Fuel Efficiency

To meet the standard, automakers will need to introduce new technology to improve gasoline-powered engines. And they'll need to sell more alternative fuel vehicles. Critics say the rules will add thousands to the price of new cars and make them unaffordable for many.

40 Miles Per Gallon Isn't All It's Cracked Up to Be

Fuel efficiency is on the mind of a lot of car shoppers these days, and automakers have responded with more vehicles that get 40 miles per gallon -- or better. But that great mileage may not be a great deal for your wallet.

Tomorrow's Camaro: How GM Will Tone Up Classic Muscle Car

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 icon for a greener world.

5 Offbeat Ideas for Saving on Gas From Our Readers

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.

Why BP Will Never Be Great Again

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.

How to Put Your Gas Savings into Overdrive

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.

Strategies to Get a Good Deal This Car-Buying Season

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.

Now Is the Best Time in Years to Sell Your Used Car

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.

More Gas Saving Ideas: Suggestions From Left Field

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.

How to Go Farther on Less Fuel

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 go farther on less fuel.

Automakers' Next Big Worry: A Sales Slowdown in China

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.

Can You Profit from Obama's New Energy Policy?

Last week, President Obama outlined a new energy policy that aims to reduce America's dependence on foreign oil by using more natural gas, wind and solar power, and encouraging manufacturers to build more fuel-efficient cars. But how can patient investors capitalize on these trends?

Just What Detroit's Revival Doesn't Need Now

As it did in the summer of 2008, when prices at the pump soared above $4 a gallon, big price jumps at the gas pump may give car buyers reason to pause and cause vehicle sales to stall. At least the carmakers now have more fuel-efficient fleets, except for Chrysler, which is still catching up.

How Hyundai Turned a Corner in the U.S.

Despite tepid industry sales last year, sister South Korean carmakers Hyundai and Kia set sales records, thanks to savvy designs and sophisticated engineering. They've come a long way from their early econo-box image. Now, if they could just do as well at home.

GM Withdraws $14 Billion Federal Loan Application

Back in 2009, General Motors applied to the Department of Energy for $14.4 billion in loans to help it manufacture more fuel-efficient vehicles. Today, with the automaker making big strides in turning around its business, GM said it no longer needs or wants the money.

Chrysler Rolls Out Plans for a Hybrid of a Different Kind

Chrysler has finally decided to jump on the hybrid bandwagon, announcing Wednesday that it is working with the EPA to develop a hydraulic hybrid powertrain for its vehicles. The system, which stores energy derived from vehicle braking as pressure, could improve fuel economy by 30% to 35%.

Fuel Efficiency Is Top Priority for Car Buyers Worldwide

Fuel efficiency remains the top concern among new car buyers around the world, which is likely to boost demand for hybrid and electric vehicles, according to a report from KPMG. But the survey of senior auto-industry executives worldwide also showed that many have serious concerns about such vehicles' affordability.

Airbus Revamps A320 for 15% More Fuel Efficiency

Airbus will overhaul its A320 jet to offer 15% more fuel efficiency. Airbus will spend more than 1 billion euros ($1.3 billion) on the "A320neo" project, which will improve efficiency and reduce emissions, Reuters said.

First Ever U.S. Fuel-Efficiency Plans for Trucks

Future longhaul trucks, school buses and large pickup trucks will be required to cut fuel consumption and emissions by 10 to 20 percent under first-ever fuel efficiency plans for trucks released Monday by the Obama administration.

Penske to Sell Nissan-Made Smart Car

Penske Automotive Group, a chain of car dealerships, reached an agreement with Japan%u2019s Nissan Motor Co. (NSANY) to sell a Nissan-made small car in the U.S. market under the Smart brand name. Penske hopes that adding the Nissan-made car, a four-door hatchback, to the Smart line will boost sales, The Wall Street Journal reported. The company already sells a two-passenger minicar made by Daimler AG.

What's the Volt's MPG? There's No Easy Answer

Have your calculator and utility bill handy if you're keen on buying a Chevy Volt (or Nissan LEAF) and want to compare fuel costs between electric and gasoline cars. The EPA is still grappling with how to provide consumers with ratings comparable to the familiar MPG labels.