If you're an RV owner deciding between a gas and a diesel truck, you should know that each offers pros and cons. Here's how ...

Although other alternative fuels like E85 get a lot of attention, LPG remains the world's third-most popular engine fuel—and ...

The simple, non-negotiable truth is this: when it comes to outright fuel efficiency, the diesel engine is, mechanically and ...

One way car manufacturers can reduce their vehicles' harmful emissions is through particulate matter filters. Particulate matter refers to the most common and harmful mixture of pollutant chemicals ...

Just a decade ago, diesel cars outsold gas cars in Europe. Super-efficient and great for long-distance cruising, diesel cars seemed headed toward a very bright future. Heck, there is still no vehicle ...