Fuel Economy

A new study says consumers expect gas prices to increase eventually.

Chevrolet is expanding Colorado production to meet anticipated demand.

The U.S. Postal Service seeks a new vehicle type to replace its aging fleet.

A Honda City is spotted roaming the streets of Torrance, California.

New EU emission testing rules are set to take effect in 2017.

We've got 2016 Fiat 500X pricing info.

Bosch eClucth substitutes a normal hydraulic clutch for an electric one.

Most car buyers don't think a lot about transmissions. In the U.S., more than 9 out of 10 of them opt for an automatic, and that's that. But transmission technology turns out to be one of the major ways automakers are boosting gas mileage to meet tougher fuel-economy rules. And it appears GM is...

BMW will continue to pursue its diesel-heavy strategy.

How the 2015 Ram 1500 EcoDiesel HFE squeezes extra efficiency out of Ram's diesel half-ton truck.

A research firm claims the 2015 Ford F-150 has the lowest lifetime emissions of any full-size truck.

More surveyed owners listed fuel economy as their highest priority than anything else.

Sergio Marchionne, CEO of newly merged Fiat Chrysler Automobiles, is not a man to mince words. While carmakers can meet fuel-economy requirements for 2025, he said last week, he slammed government efforts to boost plug-in electric cars. The industry will find the most cost-effective way to meet...

It's downright confusing trying to calculate how much it costs to run green cars, whether it's a 50-mpg Toyota Prius or a highly efficient electric car like the 124-MPGe BMW i3. One of the problems is how to use different efficiency ratings for various powertrains--gasoline, hybrid, electric--to...

Johnson Controls claims its new start-stop system can improve fuel economy up to 8 percent.

Ram now offers an HFE fuel-efficiency model with the EcoDiesel V-6 engine.

If you’re looking for a small hatchback that delivers both fuel economy and flexibility, only a handful of new cars come to mind. Add in top safety ratings, and your list may narrow down to just one car: the latest 2015 Honda Fit. To Honda’s credit, the latest Fit looks less like a...

President Barack Obama encourages Americans to buy more-efficient cars despite low gas prices.

Progress must be coming at a much faster pace than we thought: Conventional gasoline engines will power only a minority of the new cars sold just two years hence, according to a new report. That means more than half the vehicles sold will have hybrid, diesel, natural gas, or plug-in electric...

Governor Jerry Brown proposed an ambitious goal to cut fuel consumption over the next 15 years.