The clock is ticking for trucking manufacturers to meet challenging new emissions requirements in 2024 and 2027. On those two horizons are reductions of NOx by up to 90 percent, CO2 by up to 25 to 30 ...

The prospect of cylinder deactivation in diesel engines got a lot more interesting Wednesday as Cummins and propulsion software company Tula announced a successful demonstration of diesel Dynamic Skip ...

Jacobs invited editors to a demonstration of cylinder deactivation (CDA) and active decompression technology (ADT) in action on an in-cab display while driving on a test track. Engine makers will have ...

How Does Cylinder Deactivation Save Fuel? Towing a big trailer up Davis Dam may require a big, burly V-8 engine, while cruising along a level freeway when that same truck is empty barely requires a ...

How does cylinder deactivation work? When not needed, the system shuts down fuel supply to the cylinders not being used and closes the valves. There are two ways to accomplish this: 1) rocker arm ...

Tula’s Diesel Dynamic Skip Fire is an advanced cylinder deactivation control strategy that makes decisions for an engine’s cylinders on an individual basis to best meet torque demands while cutting ...