Power and Propulsion

Powertrains

Latest Stories

Articles
Data Acquisition

NVH Simulation Meets Realism

Vehicle development is amidst three concurrent revolutions – electrification, autonomy and the shift in product design and engineering to more up-front simulation. Any one of those would be a challenge for...

Feature Image

News
Lighting

Engineering a ‘Beast’ of an Electric SUV

General Motors calls it a “beast,” a nickname that the 2022 GMC Hummer SUV earns on its numbers alone. Like the electric Hummer pickup, the SUV packs a propulsion system capable of...

Feature Image

Supplier Eye
Materials

Suppliers Face the Electrified Future

Suppliers face critical decisions on a daily basis. Crises come and go. Dealing with erratic production schedules driven by semiconductor supply shortages and coping with rising prices for strategic...

Feature Image

News
Motion Control

Mahle Powertrain Leveraging New Facilities in Electrified Shift

Mahle’s Powertrain group (MPT) has announced an ongoing €12M investment in new testing and development facilities. Part of a forward-looking strategy begun over a decade...

Feature Image

News
Energy

Is GaN the Future for EV Chips?

Technology advances in electric vehicles (EV) are steadily shrinking the vehicle bill-of-materials cost while creating power efficiencies and new design solutions. The combination of more power-dense...

Feature Image

News
Power

Jeep Engineers a Wrangler EV with Manual Gearbox

For 4x4 enthusiasts who see the electric-vehicle (EV) future as the conclusive death-blow to manual transmissions, there is hope. Jeep engineers have unveiled the first battery-electric...

Feature Image

News
Energy

Cadillac to Launch 2023 Lyriq EV Months Earlier Than Planned

Citing advances in its vehicle-development processes and tireless work from a global engineering team during the COVID-19 pandemic, executives and engineers for General Motors’...

Feature Image

News
Propulsion

After a 30-Year Hiatus, Jeep Remakes the Wagoneer

You won’t have a hard time distinguishing the all-new 2022 Jeep Wagoneer from the old one. Automotive design and engineering have moved on dramatically in 30 years, even if the Wagoneer...

Feature Image

Technology Report
Power

Bosch’s EV Efficiency Upgrade: Continuously Variable Transmissions

As electric vehicles (EVs) move from niche offerings to mainstream roles in the product portfolios of the world’s traditional automakers, research and development to...

Feature Image

News
Software

Propulsion Tech Tops SAE WCX 2021 Papers and Presentations

The technologies that literally make the world’s wheels go round – the latest combustion systems and battery chemistries, electric machines, drivelines, fuels and more – are...

Feature Image

Q&A
Manned Systems

Advancing the OP Engine on Three Fronts

Global demand for cleaner, more power-dense internal combustion engines (ICE) is expected to continue into the middle of this century, for a variety of vehicle applications and markets. San...

Feature Image

News
Energy

Charting the ICE Future with Mahle’s Martin Berger

Electrification nets the current headlines and Wall Street fervor, but the internal combustion engine (ICE) will easily soldier on for several decades, serving as the core of many...

Feature Image

News
Power

Internal Combustion: Once More, with Feeling

Following its 2020 acquisition of Delphi Technologies, BorgWarner now has a vast portfolio of internal-combustion engine (ICE) foundation components, everything from fuel- and air-handling...

Feature Image

Articles
Manned Systems

Actuating Hybrid and EV Efficiency

Axle-disconnect systems have been a fuel-efficiency enabler in recent years, delivering improvements of up to 10% in all-wheel drive and four-wheel-drive cars and light trucks, depending on vehicle...

Feature Image

News
Test & Measurement

Perkins Expands Power Range with New Large Engines

The timing of Perkins Engines’ North American launch of its most powerful line of electronic engines, which delivers up to 1500-kWe emergency standby power for a range of critical...

Feature Image

News
Energy

New Holland Extends Ag Lineup with CH7.70 Combine, T6 ‘Multitasker’ Tractor

To reinforce its position as a “full-liner,” New Holland Agriculture’s focus for 2021 is to continue developing and launching new ranges, models and...

Feature Image

Original Equipment
Power

Oshkosh Defense Selected to Assemble Next-Gen Mail Trucks

Oshkosh Defense won the long-awaited contract to manufacture the U.S. Postal Service’s next generation of postal delivery vehicles, which are expected to begin appearing on routes...

Feature Image

News
Mechanical & Fluid Systems

2022 Bolt EUV: Super Cruise Comes to Chevy

General Motors has made the first step toward democratizing Super Cruise, its SAE Level 2 driver-assist system that is designed to reduce driver workload during long trips. In summer 2021, Super...

Feature Image

News
Power

Deere Bullish on Biodiesel, Renewable Diesel

Petroleum-based fuels long have been the industry standard for heavy equipment primarily due to the lack of acceptable, cost-effective and reliable alternatives. But with growing interest in...

Feature Image

News
Manned Systems

Atlis EV Pickup, Platform Targets Medium-Duty Market

Electric-vehicle (EV) startups no longer are a phenomena – and the subset of startups focused just on EV pickup trucks seems to add a new player nearly every quarter. The business plan...

Feature Image

Technology Report
Electronics & Computers

German OEMs Flex 3D Manufacturing Muscle

A chief impediment for wider adoption of additive manufacturing long has been its potential for application in high-volume and high-throughput production. But continuing process and technique...

Feature Image

News
Power

Hau Thai-Tang Is Engineering a New Ford

Security at Ford’s Dearborn Proving Ground was tight on a frigid January day when we arrived for SAE’s interview with Hau Thai-Tang. The gate guards were armed with infrared thermometers, and...

Feature Image

News
Manned Systems

Electrified Corvettes in Development

With more than 20,000 of the eighth-generation Chevrolet Corvette sold since it arrived in showrooms last year, expanding this sports car family is next on the C8 program’s agenda. In keeping with...

Feature Image

Road Ready
Power

Raptor 4-Door-Only for 2021; R Version Coming Next Year

Ford has unveiled its new Raptor, the third generation of the high-speed, off-road version of the F-150 pickup truck. Available only in a four-door SuperCrew configuration, the 2021...

Feature Image

News
Energy

Mahle’s Hydrogen Focus Spans Fuel Cells, ICEs

Hydrogen fuel cell (HFC) technology is gaining momentum in the mobility sector, with substantial volume expected by 2025 to 2030, according to Dr. Marco Warth, director of corporate advanced...

Feature Image

Articles
Motion Control

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
Energy

Volvo CE, Norrhydro Team to ‘Revolutionize’ Digital Hydraulics

A patented, multi-chamber digital hydraulic actuator developed by Finland-based Norrhydro is set to “revolutionize machine hydraulic performance,” according to the OEM...

Feature Image

Technical Innovation
Power

Garrett Two-Stage Turbos Ramp up Off-Highway

Garrett Motion is providing its advanced turbocharging technologies for a recent launch of harvesters, combines, excavators and other agricultural equipment by a global manufacturer. Garrett did...

Feature Image

Articles
Manned Systems

Gearing EVs for Greater Efficiency

A long-touted benefit of electric vehicles has been the utter simplicity of their drivetrains. With just a pair of reduction gears between the traction motor and final drive, single-speed gearing helps to...

Feature Image