FuelEfficiency

According to Automotive News, Subaru is set to release a new, more fuel-efficient version of its boxer four-cylinder engine. The powerplant should be available in both 2.0-liter and 2.5-liter configurations and will be able to offer up a 10-percent boost in fuel economy over its predecessors. The ...

Hyundai is nothing if not ambitious. The Korean automaker announced today that it will continue its efforts to be the most fuel-efficient automaker in America through the next two decades, with plans to achieve a Corporate ...

Fuel efficiency has increased dramatically in the last decade, or at least that's what we've been told. So it might come as a surprise to find out that six of the Top Ten EPA-rated Fuel Sippers from 1984 to ...

Mercedes-Benz has officially released all the details on its new family of V6 and V8 engines due to launch this fall in the S-Class sedans and CL coupes. The new power-plants are adopting many of the same ...

If there's one thing we're clamoring for here in the U.S., it's more diesel engines in passenger cars. Mazda will soon be answering our cries, as it plans to launch its all-new SKY-D powertrain in its "next-generation ...

According to the latest report from the Environmental Protection Agency, Ford has scored the biggest improvement in combined fuel economy of any major carmaker over the last five years. Between 2005 and 2009, Ford improved its fleet ...

Quick – name the most fuel efficient automobile brand in America. Did you say Toyota? Honda? Surely, you're not alone, but incorrect all the same. In fact, the answer is none other than Hyundai, which publicly set out to nab the title just one year ago. According to the United States ...

The success or failure of the Cash for Clunkers program that recently came to an end here in the United States has been and will continue to be debatable, but at least some good was accomplished by the legislation. According to data compiled by Wards Auto, the average new car fuel mileage hit a ...

While perusing the EPA's fuel economy listings, one of our readers stumbled across a vehicle that we didn't even know had been rated. The 2-Mode Hybrid version of the Saturn Vue had initially been scheduled to go into production in ...

English engineering firm Ilmor knows all about engine design, having produced powerplants for Formula One, IndyCar, and NASCAR. But its latest internal combustion creation, in contrast to those racing engines, is designed to burn fuel more frugally: a gas-powered five-stroke with diesel ...