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 ...

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 ...

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 ...

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 ...

Cylinder deactivation keeps certain intake and exhaust valves closed, effectively turning off several cylinders and forcing the remaining cylinders to work harder but more efficiently. There has ...

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 ...

Shoppers who care about long-term reliability increasingly want to know which General Motors engines avoid Active Fuel Management, the cylinder deactivation system that has drawn scrutiny from some ...

Tula's combustion DSF/DFM systems have proven smooth and reliable in over a million V-8 Chevy and GMC trucks so far. To find out how seamlessly Tula's new DMD works in a zero-cylinder electric car, we ...