[Editor's note: This is part four of a five-part series.] Before you test any equipment at an existing installation, before you even perform a clean and check or other maintenance, you need to check ...

You've seen the evidence. You disassemble an engine and witness the appearance of deposits—or their absence—on piston crowns and combustion chambers in the cylinder heads. You can relate the presence, ...

Combustion efficiency and emission control in internal combustion engines lie at the heart of efforts to reconcile performance, fuel economy and environmental impact. Optimising the conversion of ...