Truck & Off-Highway Engineering - June 2021 - 2

EDITORIAL
Bill Visnic
Editorial Director
Bill.Visnic@sae.org
EDITORIAL
Mega push for heavy-duty EV charging
A California-based startup announced
plans in May to build what it claims is
the nation's first 25-megawatt, electriconly
public truck stop to serve transport
at the southern end of the San Joaquin
Valley. WattEV's pilot truck stop in
Bakersfield will feature a solar microgrid
with battery storage, plus grid energy
from PG&E. Initial output will be 4
MW, eventually growing to 25 MW feeding
more than 40 charging bays.
WattEV also has developed a Trucks as
increasing. Many available ZE heavyduty
trucks are capable of driving 300
km (186 miles) on a single charge. The
next round of electric trucks, available
this year and next, will see models capable
of traveling closer to 600 km (373
miles) on a charge, and 1000-km (621mile)
range is promised. Elon Musk, for
example, has stated the Tesla Semi, production
of which has been delayed again
to 2022, could approach that target.
To accommodate this accelerating
market, a network of " megacharger " stations
suitable for charging heavy-duty
commercial vehicles must be established.
The CharIN Megawatt Charging System
(MCS) standard, which complies with the
SAE J1772-based combined charging system
(CCS), is focused on Class 6-8 commercial
vehicles with " huge battery
packs " and the ability to accept a >1 MW
charge rate. The MCS task force plans to
finish a complete requirements and specification
document including the plug geometry
by the end of 2021.
2 June 2021
a Service (TaaS) business model to help
accelerate adoption. The startup already
has reserved 50 Tesla Semis and plans to
place more orders with other OEMs. " We
aim to enable the addition of 12,000
heavy-duty battery-electric trucks to the
roads in California by the end of 2030,
exceeding existing forecasts, " said
WattEV CEO Salim Youssefzadeh. " If it
works in California, it'll work just about
anywhere in the country. "
One OEM recently opened a " first-ofits-kind "
heavy-duty electric truck charging
site available to the public for all levels
of EV charging. Working with Portland
General Electric, Daimler Trucks North
America opened the " Electric Island " site
with eight charging stations suitable for
electric cars, buses, box vans and semitrucks.
Located across the street from
DTNA headquarters, less than a mile from
I-5, the site's " future-proof " design will
allow current chargers to be replaced with
new technologies as they are released,
including the planned 1+ MW chargers.
Electric Island also serves as an innovation
center for PGE and DTNA to study
energy management, charger use and
vehicle performance. The site will inform
efforts such as integration of heavy-duty
charging technology into PGE's smart
grid, second-life use of Daimler's battery
packs, and onsite energy generation.
As Wayne Killen, Electrify America's
director of charging infrastructure planning
and development, teases in this
issue's Q&A (page 24), expect more announcements
on this " mega " topic soon.
Ryan Gehm, Editor-in-Chief
The number of zero-emission (ZE)
heavy-duty trucks in the U.S., Canada,
China and Europe is expected to increase
nearly 80% between 2020 and 2023,
from 40 available or announced models
to 71. Electric commercial vehicles in
those same regions are projected to
reach 606 models by 2023, up nearly
30% from the 468 models in 2020.
" The pace of battery technology advancement
is happening faster than we
thought and battery costs are also dropping
faster than anticipated. As a result,
newly available zero-emission trucks generally
and heavy-duty zero-emission trucks
in particular are shifting toward commercialization
at an accelerating pace, " said Dr.
Cristiano Façanha, global director of
CALSTART's Global Commercial Vehicle
Drive to Zero program. Singling out the
U.S. market, Drive to Zero's Zero-Emission
Technology Inventory tool anticipates an
even sharper uptick in available ZE heavyduty
truck models - from eight in 2020 to
28 in 2023, a 250% increase.
Driving range of electric trucks also is
Ryan Gehm
Editor-in-Chief
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TRUCK & OFF-HIGHWAY ENGINEERING
Truck & Off-Highway Engineering - June 2021

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - June 2021
