While the list of car brands that still use diesel engines in 2025 is increasingly small, diesel still dominates when it comes to heavy-duty trucks. There are a number of reasons why diesels are the ...

Cummins has produced some of the most reliable diesel engines available, including its 6.7-liter turbo engine. Among the impressive lineup, the QSK19 is a true workhorse. Designed to improve upon the ...

ARAI explores blending isobutanol with diesel to reduce emissions, but concerns about cetane number and miscibility remain.

This is part of FleetOwner's Fleets Explained, a Trucking 101 series to break down aspects of the trucking and fleet management industries. You can read more from the ...