Researchers compared their long-standing diagnostic decision support systems AI tool, DXplain, with modern large language models like ChatGPT and Gemini, finding DXplain performed slightly better.

Diesel exhaust fluid (DEF) is not volatile—it’s noncombustible, nonhazardous and not a pollutant—but if contaminated or improperly managed, it can have significant consequences for engine emissions ...

One of the many things we love about running a diesel engine is how long it will run. You can pack in a lot of mileage without needing major repair - as long as you take care of the motor and keep ...