The U.S. Environmental Protection Agency is urging truck and engine makers to adjust diesel exhaust fluid (DEF) software to prevent severe power restrictions caused by DEF system faults. Current ...

The Freightliner Cascadia is a workhorse of American highways, but keeping it running smoothly means knowing its specific maintenance and diagnostic needs. From tailored oil change intervals to ...

In the days since Richmond’s public drinking water utility collapsed, two documents have emerged that appear to indicate infrastructure problems at the water treatment plant were well-known.