I often hear companies conversing about the relative pluses and minuses of the more recent API CJ-4 rated oils vs. the CI-4 rated diesel motor oils that came before. As a result, it seems that it would be a good idea for us to clarify a few things about the differences between the two oil ...

Modern diesel engines are a feat of engineering, combining impressive power with fuel efficiency. Their environmental friendliness and fairly low maintenance have been the cause of their long-time popularity in Europe, and they are recently beginning to become more common in the U.S. Given the slew of benefits they carry, diesel engines may quite possibly ...