We may receive a commission on purchases made from links. One of the things you might not know about diesel engines is that based on the chemicals emitted during operation such as Carbon Monoxide (CO) ...

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, ...

The particulate filter is pretty much mandatory in diesel cars these days. Its association with diesel-powered cars brought it the handle DPF, which stands for diesel particulate filter. Now, though, ...