SAE Update - November 2021 - 12

FOCUS:POWERTRAIN
AND PROPULSION
The Peterbilt Model 579EV (left) provides a range of up to 150 miles and recharge time of 3-4 hours with a DC fast-charger; the
Kenworth T680 fuel-cell truck (right) offers a 350-mile range with a 15-minute refill time.
Electrification and the other " E " - E-fuels
By Ryan Gehm, editor-in-chief of SAE's Truck & OffHighway
Engineering magazine.
PACCAR executive Philip Stephenson,
Ph.D., discussed at SAE COMVEC 2021 the
why, how and when of commercial-vehicle
electrification, but also put in a plug for
e-fuels (renewable synthetic fuels).
" E-fuels are an often-overlooked topic, "
said Stephenson, the general manager of
the PACCAR Technical Center, at the recent
conference in Chicago. He explained e-fuels
are hydrocarbons created by combining
" sequestered carbon " with " green
12
November 2021
hydrogen " formed by electrolysis. " Put in
the back of your minds, there's a lot of talk
about electric vehicles but there's this other
[technology], if the regulations went a little
bit different way, where our customers
could continue to operate like they are,
without some of the challenges [of
electrification]. "
PACCAR's praise of e-fuels was
coordinated. In a separate COMVEC session
on electric propulsion, another of the
company's experts asserted that combining
hybrid powertrains with e-fuels is a
promising short- to mid-term solution that
UPDATE
PACCAR

SAE Update - November 2021

Table of Contents for the Digital Edition of SAE Update - November 2021

SAE Update - November 2021 - Cov1
SAE Update - November 2021 - Cov2
SAE Update - November 2021 - 1
SAE Update - November 2021 - 2
SAE Update - November 2021 - 3
SAE Update - November 2021 - 4
SAE Update - November 2021 - 5
SAE Update - November 2021 - 6
SAE Update - November 2021 - 7
SAE Update - November 2021 - 8
SAE Update - November 2021 - 9
SAE Update - November 2021 - 10
SAE Update - November 2021 - 11
SAE Update - November 2021 - 12
SAE Update - November 2021 - 13
SAE Update - November 2021 - 14
SAE Update - November 2021 - 15
SAE Update - November 2021 - 16
SAE Update - November 2021 - 17
SAE Update - November 2021 - 18
SAE Update - November 2021 - 19
SAE Update - November 2021 - 20
SAE Update - November 2021 - 21
SAE Update - November 2021 - 22
SAE Update - November 2021 - 23
SAE Update - November 2021 - 24
SAE Update - November 2021 - 25
SAE Update - November 2021 - 26
SAE Update - November 2021 - 27
SAE Update - November 2021 - 28
SAE Update - November 2021 - 29
SAE Update - November 2021 - 30
SAE Update - November 2021 - 31
SAE Update - November 2021 - 32
SAE Update - November 2021 - 33
SAE Update - November 2021 - 34
SAE Update - November 2021 - 35
SAE Update - November 2021 - 36
SAE Update - November 2021 - 37
SAE Update - November 2021 - 38
SAE Update - November 2021 - 39
SAE Update - November 2021 - 40
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https://www.nxtbook.com/smg/sae/21UPD12
https://www.nxtbook.com/smg/sae/21UPD11
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