Big rigs and commercial haulers often utilize heavy-duty truck engines to move massive loads across long distances.

As Mazda and Infiniti have proved, there's a lot of innovation left in the internal-combustion engine. One of the more wild concepts we've seen is called Reactivity Controlled Compression Ignition ...

It is no accident that as the twenty-first century dawns, car manufacturers have stepped up the pace of diesel engine development to a speed not seen in the century or so since Rudolf Diesel patented ...

What's in the same category as a BMW M4, but faster in the quarter-mile sprint? Choices are relatively numerous – at least when thinking about such cars. But probably none of those thought-about ...

Gas, diesel, hybrid, or electric? Everyone wants their next car to have better fuel economy and wouldn’t mind if it’s better for the environment. But which engine is the right choice? Ultimately, it ...