Energy and the New Mobility How Disruptive (to Energy ......Common myths about AVs and energy ‣All...
Transcript of Energy and the New Mobility How Disruptive (to Energy ......Common myths about AVs and energy ‣All...
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Energy and the New Mobility – How Disruptive
(to Energy) will AVs be?
Chris Atkinson, Sc.D., Fellow ASME, Fellow SAE
Program Director
Advanced Research Projects Agency-Energy
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The future of automotive transportation is AVs…
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…but this is our current reality…
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Everything that you have heard about AVs
and their energy implications is wrong…
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Common myths about AVs and energy
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Common myths about AVs and energy
‣ All AVs will be EVs
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Common myths about AVs and energy
‣ All AVs will be EVs
– Initially they will be HEVs and PHEVs (or conventional IC vehicles) due to the
significant power consumption required for machine vision, perception, data
fusion, computation, decision making, and automation.
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Common myths about AVs and energy
‣ AVs will reduce our total VMT
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Common myths about AVs and energy
‣ AVs will reduce our total VMT
– To the contrary…VMT could double or treble.
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Common myths about AVs and energy
‣ AVs will ease congestion
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Common myths about AVs and energy
‣ AVs will ease congestion
– No, reducing the cost of travel will simply induce more travel (the rebound
effect). And we will drive by proxy.
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Common myths about AVs and energy
‣ AVs will encourage ride-sharing
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Common myths about AVs and energy
‣ AVs will encourage ride-sharing
– If cost per mile is reduced, there will be even less incentive to share rides than
there is today. Why share a ride at $1.00/mile when there is minimal sharing
today at $2.00-3.00/mile?
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The potential AV energy implications are staggering!
13NREL, 2015
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1990 2000 2010 2020 2030 2040 2050
electric power
industrial
transportation
residential
commercial
Energy consumption by sector (Reference case)
quadrillion British thermal units
2018
history projections
EIA, 2019
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Energy consumption by fuel (Reference case)
quadrillion British thermal units
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1990 2000 2010 2020 2030 2040 2050
Energy consumption by fuel (Reference case)
quadrillion British thermal units
2018
history projectionspetroleum
and other
liquids
natural gas
other
renewable
energy
coal
nuclear
hydro
liquid
biofuels
EIA, 2019
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Making future AVs more energy efficient
‣ Downsize
– Downweight
• Improve the efficiency of IC engines
– Increase hybridization
» Increase electrification
• Ultimately full electrification
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(considering only vehicle-related technologies, and not infrastructure, regulation, policy, incentives, etc.)
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From this…
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to this….
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ARPA-E NEXTCAR Program Motivation
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Facilitating energy-efficient L1-L3 AV operation
through vehicle connectivity and automation.
Using eco-routing, eco-driving, hybrid energy flow optimization, platooning and other connected
and L1-L3 automation techniques, to improve individual vehicle energy efficiency by 20%.
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Essential Capabilities Required to Replace an Incumbent Vehicle
TechnologyAny new technology must be comparable to or better than the incumbent in:
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Criterion Measure
Power Power density (or energy density including the fuel/energy storage
capacity) Customer Acceptance
Efficiency Fuel economy or energy efficiency (over real-world dynamic driving)
Regulation
Emissions Regulated criteria pollutants (and CO2) Regulation
Cost Total cost of ownership (including capex and energy cost)
Customer Acceptance
Reliability Mean time between failures, maintainability Customer Acceptance
Utility Acceleration, driveability, NVH, cold or off-cycle operation, ease of
use, transparency to the user, and acceptable range Customer
Acceptance
Fuel Acceptability Use a readily available fuel or energy source with acceptable range
and ease of refueling Customer Acceptance
Safety Non-negotiable Regulation (and Customer Acceptance)
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BEYOND NEXTCAR
‣What NEXTCAR energy efficiency techniques can be applied
to L4 & L5 vehicles?
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Safe deployment of energy-efficient L4 & L5 automation is key!
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BEYOND NEXTCAR
‣ Vehicle safety is a key enabling technology for energy efficiency.
‣ Developing a rigorous framework for ensuring AV safety is critical to reducing the
energy consumption of the future AV vehicle fleet
– Even if VMT increases significantly.
‣What energy-efficient automotive technologies (beyond those described
here) remain to be developed for L4 and L5 AVs?
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