Truck & Off-Highway Engineering - February 2022 - 2

CONTENTS
FEATURES
REGULARS
11 Hydrogen generates buzz in power
generation POWER GENERATION
Companies target stationary power applications to prove their
hydrogen technology and to build scale until infrastructure expands
for mobility.
15 'Mixed' approach to e-truck
manufacturing ELECTRIFICATION | MANUFACTURING
Volvo Group CTO details the OEM's " mixed model assembly "
strategy for battery and fuel-cell electric vehicles and provides
insights on infrastructure and the transition to autonomous.
18 Innovation at the intersection of
disciplines 2022 SAE PRESIDENT | MANAGEMENT
Caterpillar alum Sri Srinath, Ph.D., focuses on more collaboration
and mentoring in his new role as 2022 SAE International president.
3 Editorial
Combustion engines carry on in construction
4 Technical Innovations
4 Volta announces 'engineering kickoff' of
smaller electric trucks | ELECTRIFICATION
6 Peterbilt, Aurora unveil SAE Level 4
autonomous truck | AUTONOMOUS
8 Detroit DD15 Gen 5 showcases durability of
new diesel tech | DIESEL ENGINE DESIGN
10 GM announces Hydrotec fuel-cell power
generator and rapid charger for EVs |
POWER GENERATION | ELECTRIFICATION
20 Original Equipment
20 Mellor Bus stresses lightweight construction
for new midsized battery-electric buses
22 Mack begins production of Class-8 LR
Electric model
ON THE COVER
Data centers are a growing market for Rolls-Royce Power Systems
as it develops complete MTU power generation solutions based on
cellcentric's fuel cell modules. (Image: Rolls-Royce Power Systems)
23 Product Briefs
SPOTLIGHT: Imaging/Cameras; Simulation/
Analysis Software
25 Companies Mentioned, Ad Index
26 Q&A
20
TE Connectivity's Mark Uhrich discusses how
sensors are evolving to satisfy commercialvehicle
demands.
follow us @SAEOHEMag
Truck & Off-Highway Engineering®, February 2022, Volume 30, Number 1. Truck & Off-Highway
Engineering (ISSN 2475-6148) is published in February, April, June, August, October,
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ISSN 2475-6148 (print)
Audited by
2 February 2022
TRUCK & OFF-HIGHWAY ENGINEERING
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Truck & Off-Highway Engineering - February 2022

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