Fuel Efficiency

There aren't many cars like the 2014 Fiat 500L on the market today. It's a tall wagon, not a crossover, because all-wheel drive isn't available. And it shares only a name and an engine with the much smaller Fiat 500 minicar that reintroduced the Fiat name to the U.S. market after a long hiatus...

The 2014 Jeep Cherokee returns significantly better fuel economy than the Liberty it replaces.

An EU emissions rule delay has environmentalists fuming, but German luxury car makers may be breathing a sigh of relief.

A case before the Supreme Court challenges EPA regulations of greenhouse gas emissions, but not those involving cars.

Do you miss your old three-cylinder Geo Metro? If so, Mitsubishi has a new car just for you. The 2014 Mitsubishi Mirage five-door hatchback minicar has the highest fuel-economy rating of any non-hybrid on the market. The EPA rates it at 40 mpg combined (37 mpg city, 44 mpg highway) when fitted with...

The Smart has lost more money than any other European car, a new report says.

The 2014 Chevrolet Malibu's 2.5-liter engine matches the pricier Malibu Eco's hybrid drivetrain for fuel economy.

The number of American households without a car is rising, a new study says.

Fuel economy averages are exceeding analysts' expectations, but still aren't meeting set goals.

Gas mileage has gotten far more important in new-car choices over the last 10 years, and that's not likely to change. But not everyone really understands automobile efficiency--or how to maximize their mileage--and which tactics will really save them money. Here's our cheat sheet. (1) Your driving...

The 2014 Silverado equipped with the 6.2-liter V-8 posts significant mileage improvements over last year's model.

The results of German national elections don't get much news coverage in the U.S. But the re-election of Angela Merkel as chancellor on September 22 could prove to have an effect on your future Audi, BMW, or Mercedes-Benz. At issue is the desire of the European Union to impose even more stringent...

Toyota will continue to concentrate on hybrids despite other car makers' interest in electric cars, the Toyota chairman said.

Future MINI models will be powered by three- and four-cylinder engines the brand says will combine fuel economy and sportiness.

Volkswagen is reportedly working on a performance version of the XL1 plug-in hybrid.

Honda says start-stop will make the 2015 fit too slow off the line.

Formally uncool green cars are finally getting some attention from car customizers.

It's one of the most common questions asked of any new car: "So what kind of gas mileage does it get?" The answer most often comes from the car's gas-mileage readout on the dashboard, generally specified to the tenths of a mile per gallon. But as Edmunds determined, those readings vary considerably...

Ford is putting its 2.0-liter four-cylinder EcoBoost engine in a police car.

Ridesharing is now legal in California. The state has created a new set of regulations for this alternative transportation system.