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From tractor trailers and transit buses to delivery trucks and terminal tractors, fleets have traditionally relied on diesel engines to provide the torque, reliability and durability needed by heavy-duty commercial applications.

When it comes to natural gas engines, there are a range of frequently asked questions about the cost, practicality, and feasibility of integrating natural gas into commercial fleets.

Regulations limiting greenhouse gas emissions (GHGs) from motor vehicles are tightening around the world.

  How can hydrogen fuel power a vehicle? Using hydrogen to power an engine or motor is more straight forward than you might think.

The stone age did not end because the world ran out of stones, and the oil age will not end because we run out of oil1.

The Cummins 5.9L inline 6-cylinder was a fan favorite in RAM pickups for years, and when it evolved into the 6.

Late last year, Cummins shipped its first QSK95 built specifically for rail.