Truck & Off-Highway Engineering - December 2023 - 3

EDITORIAL
Bill Visnic
Editorial Director
Bill.Visnic@sae.org
Ryan Gehm
Editor-in-Chief
Ryan.Gehm@sae.org
Sebastian Blanco
Senior Editor
sebastian.blanco@saemediagroup.com
Chris Clonts
Senior Editor
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Matthew Wolfe
Assistant Editor
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Amanda Hosey
Editor, Custom Content
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Contributors
John Kendall
Europe Editor
Steven Ashley, Kami Buchholz,
Dan Gilkes, Paul Weissler
DESIGN
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SALES &
MARKETING
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REGIONAL SALES
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EDITORIAL
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Integrated Media
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Hydrogen ICE is heating up
In the past three months, at least four
major announcements have detailed the
kickstart of development programs or
real-world demonstrations of hydrogenfueled
internal combustion engines (ICE).
As OEMs and fleets look to accelerate the
decarbonization of their product portfolios,
engine makers are ramping up efforts
to provide another alternative.
" Hydrogen internal combustion engines
are emerging as a key technology
to eliminate carbon emissions from
heavy-duty sectors, while retaining the
power density and operational range
typical of diesel engines, " Jim Nebergall,
General Manager - Hydrogen Engines at
Cummins, said in an October statement
detailing a collaboration with Terex
Advance Mixer, end user Edge Materials
and hydrogen producer PCC Hydrogen.
The " end-to-end " demonstration will
trial Cummins' X15H engine in Terex frontdischarge
concrete mixer trucks operating
on construction sites and critical infrastructure
projects. " Decarbonizing concrete
mixer trucks can be difficult due to
the energy demands and long operational
hours, " added David Grabner,
General Manager at Terex Advance Mixer.
Such heavy-duty applications are where
engine makers believe H2
ICE can outperform
other zero-carbon alternatives
such as hydrogen fuel cells and batteryelectric
systems.
In November, Caterpillar announced a
three-year demonstration project of a
hydrogen-hybrid powertrain built on the
new Cat C13D engine platform that was
revealed at the CONEXPO 2023 tradeshow
(www.sae.org/news/2023/03/catc13d-launch).
Partially funded by the
U.S. DOE, the project will demonstrate
how the latest control systems and electric-hybrid
components can help hydrogen-fueled
engines meet or exceed the
power density and transient performance
of traditional diesel engines.
The C13D currently is capable of operation
using renewable liquid fuels such
as 100% HVO, B100 distilled biodiesel
and up to B100 standard biodiesel in
TRUCK & OFF-HIGHWAY ENGINEERING
select applications. Starting in the first
quarter of 2024, development of the hydrogen-hybrid
powertrain will take place
at Caterpillar facilities in Chillicothe,
Illinois, and San Antonio, Texas.
JCB revealed its clean-sheet hydrogen
ICE, the 448 ABH2, at CONEXPO earlier
this year (www.sae.org/news/2023/03/
jcb-hydrogen-engine). Demonstrations in
hydrogen-powered construction and
agricultural machines have been ongoing,
but the company recently expanded
the application range by outfitting a
Mercedes Sprinter van with its H2
engine.
The diesel-powered van reportedly was
retrofitted in just two weeks.
" We retrofitted this vehicle...to demonstrate
how simple it will be to convert
existing vans and to show that it is not
only construction and agricultural machines
that can be powered by hydrogen, "
said JCB Chairman Anthony
Bamford. JCB has manufactured more
than 70 hydrogen engines to date.
At the Agritechnica 2023 tradeshow in
November, Kohler Engines unveiled its
new direct-injection hydrogen (KDH)
engine that is based on the KDI 2504
TCR diesel. The 4-cyl. KDH engine for
off-highway machines is said to maintain
the same in-machine installation, dimensions,
PTOs and performance as conventional
diesel engines.
Kohler notes that hydrogen combustion
is cleaner than that of a standard
diesel engine, and when fitted with an
aftertreatment system results in a reduction
of exhaust emissions to " extremely
low values, thus making the engine near
zero-emission according to the most
recent agencies' definitions. "
SAE Media Group's first editorial webinar
in the new year will focus on hydrogen's
promising role in heavy-duty
vehicles (www.sae.org/webcasts). Also
look out for the February 2024 issue of
TOHE to read about the modeling of
hydrogen combustion, emissions and
aftertreatment. This topic is only getting
hotter.
Ryan Gehm, Editor-in-Chief
December 2023 3
http://www.sae.org/news/2023/03/jcb-hydrogen-engine http://www.sae.org/news/2023/03/jcb-hydrogen-engine http://www.sae.org/news/2023/03/cat-c13d-launch http://www.sae.org/news/2023/03/cat-c13d-launch http://www.sae.org/webcasts
Truck & Off-Highway Engineering - December 2023

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - December 2023
