Over time, and in this column, we have shared some of the important factors in how the delivery of air/fuel charges or raw air, as in the case of dry flow when fuel is admitted into the combustion ...

A Note from Jim: The stated objective of this story is to introduce you to some notions that may be of imme-diate help to circle track engines operating under rules that allow non-OEM parts. It is ...

After the deadly 2017 fire season, there should be no question that the current wildland fire environment is a very complex and dynamic arena. There are numerous reasons for this complexity, some of ...

Reick, a regional fire chief in Germany, looks the differences in how Europe studies flow paths and ventilation as well as LODDs compared to their US counterparts. Michael Reick, Voluntary firefighter ...