There have been some rumblings already about the efficiency of Mazda's SkyActiv technology. But if you haven't, Liberty Mazda is here to offer up an example. The all-new Mazda3 with SkyActiv is powered by a 2.0-liter, four-cylinder engine that boasts an EPA-estimated 40 mpg (without the help of a hybrid powertrain), and a peppy 155 horsepower. So far, critics and drivers love it, and Mazda has announced plans to increase the reach…

Mazda may be saying goodbye to the RX-8 sports car, but they're not exiling the rotary engine with which it's fitted. This is something Liberty Mazda Suzuki and Mazda enthusiasts in the Libertyville area and beyond can rejoice. For, the distinctive powertrain, formerly known as NSU-Wankel, helped put the Mazda brand on U.S. consumer radar when it first arrived about 40 years ago.

The feature setting Mazda's NSU-Wankel apart from other…