For decades, Volkswagen and Audi have held the only options for North American shoppers wanting a highly efficient model with a four-cylinder turbo-diesel—their 2.0-liter TDI engine. Now, with Mazda, ...

We already have had a taste of Mazda's new Skyactiv fuel-saving powertrain technology. Now, the automaker has taken the wraps off of its new Skyactiv-D 2.2 turbocharged inline-four cylinder diesel, ...

Each time I get behind the wheel of a Mazda equipped with the 2.2 SkyActiv-D, I don’t think to myself, “Oh no, another diesel-fueled disappointment.” Not only does Mazda know how to squeeze sufficient ...

TOKYO -- Mazda had the best of intentions six years ago when it proclaimed it would begin offering diesel engines in the United States in 2012 to make its fleet more fuel efficient. But there was a ...