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Propulsion

Cummins’ New Mid-Displacement Turbos Quieter and More Efficient

Cummins announced its seventh-generation series HE250 and HE300 wastegate turbochargers for medium displacement on- and off-highway commercial engines. The turbos are...

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Q&A
Power

Kubota Engine High on HVO, Hydrogen and Hybrids

As part of its path to carbon neutrality, Kubota Engine engineers have developed a new 3.8-liter hydrogen engine that was introduced at CONEXPO 2023 in Las Vegas. The 4-cylinder...

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Articles
Power

Navistar’s ‘Ground Up’ Approach to All-New Diesel Engine

Though electrification has taken center stage for the commercial trucking industry, diesel ICE powertrains will continue to serve as the preferred propulsion system of many...

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News
Regulations/Standards

Global Emissions Regs Demand Differing Engine Strategies

Toxic tailpipe emissions and greenhouse gases (GHG) impact all nations, yet there is no global consensus on how to prioritize truck-engine emissions strategies. Emissions...

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Articles
Software

Bigger Processors, Smaller Engines

Engine designers are advancing electronic control systems to eliminate components and generate more power from smaller engines. They also are leveraging networks to integrate transmissions, global...

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Q&A
Green Design & Manufacturing

Integrating Ultra-Low NOx Technology Presents Challenges

Ultra-low NOx regulations proposed by the California Air Resourced Board (CARB) call for 0.05 g/hp-hr tailpipe NOx in 2024, with a second stage in 2027 further reducing NOx to...

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Power

Cummins, Tula Test ‘Dynamic’ Cylinder Deactivation for Diesels

Tula Technology has supplied the control software for “dynamic” cylinder deactivation in gasoline engines since 2018, launching in General Motors’ 5.3- and 6.2-L...

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Technical Innovation
Test & Measurement

JCB Prepared to Meet EU Stage V Emissions

JCB is preparing to offer Stage V compliant engines across its equipment lines, with updates to its own engine range and changes to supplier models. Group director of engines Alan Tolley said...

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News
Power

JCB Adds Three New X Series Crawler Excavators

JCB has expanded its X Series crawler excavator line with the launch of three models in the popular 13- to 16-t (28,660- to 35,270-lb) sector. This follows the successful introduction of the...

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Energy

Developments in Engine-Based Gensets

Generator set OEMs may be at a unique time when it comes to further engineering development. They have responded to the most stringent emissions regulations in the world: Tier 4 Final in the U.S. and...

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Articles
Transportation

Delphi Injects Life into Diesel

Delphi Technologies is predicting a period of unprecedented change for the truck and off-highway powertrain markets. However, chief technology officer Mary Gustanski reports that the company is more than...

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Technical Innovation
Propulsion

Cummins Unveils PowerDrive Hybrid-Electrics, Euro 7 Diesel Concept

As vehicle and equipment manufacturers continue to move away from pure diesel power, Cummins has unveiled a suite of plug-in hybrid-electric powertrain solutions under...

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News
Power

Many ICE Paths Lead to Reduced Emissions

Despite all the hype about electrification, internal combustion engines (ICEs) are likely to dominate the commercial vehicles market for several years. But these engines will have to advance using...

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Technical Innovation
Green Design & Manufacturing

Jacobs Employs Cylinder Deactivation in HD Engines to Lower CO2, NOx

Combustion engines have experienced a mounting PR problem in recent years, as more truck OEMs, major cities and countries announce their intentions to more aggressively...

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News
Propulsion

Eaton Goes Internal with Its Next-Generation EGR Solution

Eaton’s Internal Exhaust Gas Recirculation (iEGR) solution production-debuts in the 2020MY as a next-generation technology providing near-instantaneous heating of the selective...

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News
Green Design & Manufacturing

GM’s Diesel-Emissions Strategy for 95 G/km and Beyond

The future of diesel engines for passenger vehicles is promising, despite the high cost of exhaust aftertreatment technology. Even though gasoline engines require less...

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