Power and Propulsion
Exhaust systems

Latest Stories

News
Power

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...

Feature Image

Articles
Sensors/Data Acquisition

Bosch Begins Production of Fuel-Cell Power Modules for Nikola

At its oldest and largest location – a site long accustomed to manufacturing parts for combustion engines – Bosch is now producing what it calls the most complex system...

Feature Image

Q&A
Green Design & Manufacturing

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...

Feature Image

News
Green Design & Manufacturing

Engineering ‘Electron Guzzlers’

Apparently, ‘gas guzzler’ now encompasses any vehicle that burns hydrocarbon fuels, no matter how efficient. Anything with an exhaust pipe.

Feature Image

News
Green Design & Manufacturing

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...

Feature Image

Road Ready
Power

Jeep Springs Its First BEVs

Four all-new, battery-electric models will spearhead Jeep’s plan to electrify 100% of its product lineup by 2025, the Stellantis brand announced on Sept. 7. The quartet of BEVs includes the 4-door Jeep...

Feature Image

Road Ready
Imaging

Dodge Debuts Charger Daytona SRT Concept Electric Musclecar

If it looks like a Dodge, sounds like a Dodge, and drives like a Dodge, it must be a Dodge. That “must-be” vision has been the perpetual mantra behind the development of a...

Feature Image

Technical Innovation
Green Design & Manufacturing

Detroit DD15 Gen 5 Showcases Durability of New Diesel Tech

When Detroit launched the latest iteration of the DD15 inline-six diesel engine for on-highway applications, the company promised a completely updated unit that was engineered...

Feature Image

News
Green Design & Manufacturing

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...

Feature Image

News
Manufacturing & Prototyping

Making the BEV Commitment

The past 18 months have been a head-shaker for those of us observing the industry. A pandemic spreads, semiconductors vanish, and now a headlong charge by virtually every OEM and major Tier 1 into electric...

Feature Image

News
RF & Microwave Electronics

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...

Feature Image

News
Propulsion

Volkswagen Unveils New-Generation Golf R

Although the memorable 6-cylinder character of the original R32 has given way to turbocharged 4-cylinder propulsion in recent years, Volkswagen continues to deliver V6-type power for the...

Feature Image

News
Mechanical & Fluid Systems

M Is for Motorcycle: BMW Reveals Its First Performance-Badged Two-Wheeler

BMW has revealed its first-ever M-badged motorcycle, the M 1000 RR superbike. A heavily reworked version of the already-capable S 1000 RR sportbike, the new...

Feature Image

Articles
Energy

An Exhaust Symphony in the Key of C8

Few things in the automotive space are more soul-stirring than the sound of a V8 engine – at wide-open throttle, or top-gear cruising, or at any combination of engine speed and load in between. For...

Feature Image

News
Electronics & Computers

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...

Feature Image

Articles
Green Design & Manufacturing

Marelli’s COVID-Killing Cabin Purifier

Marelli North America is offering a solution to the problem of interior air quality in shared-use/autonomous vehicles. The upgraded HVAC setup purifies passenger car cabin air, including the...

Feature Image

Articles
Materials

Tesla’s Cybertruck Is Audaciously Austenitic

Not since Ford’s epic switch to aluminum for its F-Series body structures has an automaker’s materials strategy created such a buzz. Tesla’s decision to use stainless steel for its...

Feature Image

Articles
Green Design & Manufacturing

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...

Feature Image

Technical Innovation
Power

John Deere Power Systems Expands Lineup, Introduces New 13.6- and 18-Liter Engines

John Deere Power Systems (JDPS) showcased an expanding engine lineup and electric drivetrain solutions during a press event at ConExpo-Con/Agg in Las...

Feature Image

News
Green Design & Manufacturing

Kubota Enters Stand-On Track-Loader Segment with New SCL1000

Kubota took the wraps off its first-ever entrant into the stand-on track-loader market at the 2020 ConExpo-Con/Agg tradeshow in Las Vegas. The new SCL1000 is the smallest...

Feature Image

News
Mechanical & Fluid Systems

Engineering the Chevrolet Corvette's First-Ever Mid-Engine Architecture

Shifting 500 lb (227 kg) of engine mass rearward by 7.5 feet (2.3 m) and moving 300 lb (136 kg) of transmission components aft by almost three feet transformed the...

Feature Image

News
Propulsion

Nissan's 2020 Frontier Gets New Powertrain

More transmission gears and greater engine horsepower should enliven the 2020 Nissan Frontier midsize pickup truck. “We’re launching a new transmission and new engine in the current...

Feature Image

News
Regulations/Standards

Caterpillar Launches Next-Gen Mini Hydraulic Excavator, Skid Steer and Compact Track Loaders

Covering about 2.5 million ft2 and including roughly 2,800 exhibitors, the triennial ConExpo-Con/Agg event boasts an even-larger...

Feature Image

News
Power

Is the Camshaft Being Timed Out?

The development of electric vehicle motors, power controls and batteries tend dominate today’s industry’s headlines, but R&D of internal combustion engine technologies in its many forms...

Feature Image

News
Manufacturing & Prototyping

Rodin Racecar Targeted as Lighter, Faster Than a Formula One

Slated for track testing late this year, the Rodin FZERO race car is the brainchild of Ferrari Challenge class champion and car enthusiast David Dicker. The Rodin FZERO is...

Feature Image

News
Power

Engineering the 2020 Chevrolet Corvette

Two days before the 50th anniversary of astronaut Neil Armstrong’s leap for mankind and 10 years after General Motors emerged from bankruptcy, the camouflage was finally ripped from the...

Feature Image

Articles
Green Design & Manufacturing

Electric Machines Find Their Niche

Many players in the off-highway market are announcing electrification efforts. But why? To date, global regulatory programs have spurred off-highway technological innovations, to improve fuel economy...

Feature Image

What We’re Driving
Mechanical & Fluid Systems

2020 Toyota Supra Launch Edition

Toyota sought to channel its 2000 GT and Supra sportscar heritage with the introduction of the 2020 Supra, but in the process the company also forecast the future.

Feature Image

News
Propulsion

Mercedes-AMG Extracts World-Record Power from New Four-Cylinder Engine

Mercedes-Benz engineers delight in setting new technology records—because they can then start a new program to break them. At Mercedes-AMG—the out-and-out...

Feature Image