Automotive Engineering - April 2021 - 2

CONTENTS
FEATURES

REGULARS

18 Optimizing hybrids for cost
and efficiency COVER STORY

4 Editorial: The 1,000-hp hype machine

AVL engineers detail a modular engine program suitable for all
forms of hybridization.

27 Powertrain Supplier Insights PROPULSION
27 ICE: Once more, with feeling
BorgWarner CSO sees at least one more generation of the ICE
before its 'sunset.'

28 Actuating hybrid and EV efficiency
More sophisticated driveline-disconnect systems are part of the
electrified-vehicle future, says the head of controls at Stoneridge.

29 The world's piston maker charts
the ICE future

6 Supplier Eye
A hard look at new sourcing strategies

8 Technology Report
8 Aluminum dominates for EV battery
enclosures - for now | MATERIALS
11 Inkjet ingenuity for the automotive paint shop |
MANUFACTURING

12 Aiming for the 5-minute EV recharge |
ELECTRIFICATION

15 Road Ready
15 2022 Bolt EUV: Super Cruise ADAS comes
to Chevrolet

33 Product Briefs

According to Mahle's research VP, the remaining development
path for internal combustion is clean, electrified and ready for
alternative fuels.

30 Pumping EV heat ELECTRIFICATION

Heat-pump technology is a game-changer for the widespread adoption
of electric vehicles, says a service-tech training expert and EV owner.

Spotlight: Propulsion Systems Simulation
& Analysis Tools

46 Q&A
Achates Power's Larry Fromm details the route
to bringing the company's opposed-piston,
compression-ignition, multi-fuel engine to series
production in 2024.

48 Companies Mentioned, Ad Index

ON THE COVER
Technical innovations aimed at further improving the efficiency of
combustion engines are expected to continue well into the middle
of this century. Hybridization is a key to ICE optimization, as
AVL engineers detail in this month's cover story beginning on page
18. Our cover image is a ghosted illustration of the 2020 Chevrolet
Orlando, a 48-V hybrid sold in China. (Image: Chevrolet)

@SAEAutoMag

@saeaei

SAE Magazines

Automotive Engineering®, April 2021, Volume 8, Number 3. Automotive Engineering
(ISSN 2331-7639) is published in January/February, March, April, May, June, July/August,
September, October, November/December by Tech Briefs Media Group, an SAE International
Company ®, 261 Fifth Avenue, Suite 1901, New York, NY 10016 and printed in Mechanicsburg,
PA. Copyright © 2021 SAE International. Annual print subscription for SAE members: first
subscription, $15 included in dues; additional single copies, $30 each North America, $35
each overseas. Prices for nonmember subscriptions are $115 North America, $175 overseas.
Periodicals postage paid at New York, and additional mailing offices. POSTMASTER: Please
send address changes to Automotive Engineering, P. O. Box 3525, Northbrook, IL 60062.
SAE International is not responsible for the accuracy of information in the editorial, articles,
and advertising sections of this publication. Readers should independently evaluate the
accuracy of any statement in the editorial, articles, and advertising sections of this
publication that are important to him/her and rely on his/her independent evaluation. For
permission to reproduce or use content in other media, contact copyright@sae.org. To
purchase reprints, contact advertising@sae.org. Claims for missing issues of the magazine
must be submitted within a six-month time frame of the claimed issue's publication date.
The Automotive Engineering title is registered in the U.S. Patent and Trademark Office. Full
issues and feature articles are included in the SAE Digital Library. For additional information,
free demos are available at www.saedigitallibrary.org.
(ISSN 2331-7639 print)
(ISSN 2331-7647 digital)

Audited by

2 April 2021

AUTOMOTIVE ENGINEERING

https://www.youtube.com/channel/UCjG3SZTEynYkQnZYaCLJB6w https://www.instagram.com/saeaei/ https://www.twitter.com/saeautomag https://saemobilus.sae.org/ http://www.sae.org http://www.bpaww.com https://www.signetresearch.com

Automotive Engineering - April 2021

Table of Contents for the Digital Edition of Automotive Engineering - April 2021