Do diesel fuel additives really work, or are they just expensive snake oil? With diesel prices remaining painfully high, improving fuel economy, reducing regens and protecting expensive emissions ...

Clean Diesel Technologies Inc. says results of initial engine testing at San Antonio-based Southwest Research Institute show the company's clean diesel formulation reduced particulate matter by 33% ...

Diesel engine exhaust contains pollutants such as nitrogen oxides and soot particles. Although governments from the late 1990s onward encouraged their uptake in the belief they were more ...

The world of fuel additives is vast, often marketed as offering myriad benefits, from added performance, to engine cleaning, to fuel stabilization. That all said, GM has specific guidance regarding ...