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Newsby StaffSeptember 22, 2021

Jacobs, Tula to Accelerate Cylinder Deactivation, Dynamic Skip Fire Development

Jacobs Vehicle Systems and Tula Technology have signed an agreement to accelerate the development of Jacobs cylinder deactivation valve actuation technology in conjunction with Tula’s dynamic skip fire control algorithms.

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Articlesby Jim ParkJune 17, 2021

How CDA Works to Cut Emissions, Improve Efficiency

Cylinder deactivation can reduce NOx emissions through hotter exhaust temperatures and allow more efficient engine operation on fewer cylinders under low-load conditions.

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Articlesby Jim ParkJune 14, 2021

Tweak Heavy-Duty Truck Engine Settings To Save Fuel

Dialing in some basic fuel-economy parameters to your truck's engine settings can easily save 5% in fuel. Dig a little deeper into the ECM and even more savings are possible.

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Newsby StaffMay 6, 2021

Paccar Unveils 2021 MX Engines

The 2021 Paccar MX-11 and Paccar MX-13 engines for Kenworth’s Class 8 truck lineup feature re-designed internal components to enhance fuel economy.

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Newsby Jim ParkApril 14, 2021

How Optimizing Cylinder Deactivation Cut NOx Emissions 74% in Cummins-Tula Test

Testing of Tula's sophisticated cylinder deactivation control technology on a Cummins engine showed a 74% reduction in nitrogen oxides (NOx) emissions. We talked to Tula's senior engineer about how it works.

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Newsby StaffFebruary 23, 2021

Daimler Turns to Cummins for Medium-Duty Engines

Cummins will take over the development, production and delivery of medium-duty engines for Daimler Trucks and Buses around the world by the second half of the decade.

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Newsby StaffFebruary 2, 2021

Cummins: New Roles for Engine Segment Leaders

Amy Boerger now heads up Cummins' North America region for On-Highway as vice president and general manager, North America.

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Locking It Inby Rolf LockwoodDecember 21, 2020

What Exactly is Torque in a Truck Engine, Anyway?

Is there anything better than having gobs of pounds-feet at your beck and call? Rolf Lockwood talks about what torque is and why it's important in his Locking it In blog.

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Newsby StaffDecember 17, 2020

Opposed-Piston Engine Achieves Significant Emissions Milestone

Achates Power reports that tests on its latest opposed-piston engine design meet 2027 emissions requirements of both the U.S. EPA and California.

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Newsby Jim ParkOctober 14, 2020

Cummins Reveals 2021 HD Engine Lineup

Cummins EPA 2021 X12 and X15 series engines expand the availability of some current technologies while adding new features to further enhance fuel efficiency and lower operating cost.

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