Whenever the question, "What is the all-time best diesel engine (installed in pickup trucks)?" is asked among hardcore diesel enthusiasts, the very subjective responses usually favor Cummins' ...

VW will be dumping its line of TDI diesels by 2007 and switching to a common-rail design for all of its oil-burners, with annual production of the new engines totaling over 2 million units. This ...

Here's the story of perhaps the most legendary diesel engine ever made, the Cummins 5.9L.

Diesel engines are notoriously robust, but if the fuel they run on gets contaminated, the engine can suddenly become much ...

However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...

However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early ...