Document ID: EPA-HQ-OAR-2021-0208-0837
Agency: epa
Document Type: Supporting & Related Material
Title: 
Posted Date: 2021-12-21T05:00Z

MemoTo:	Docket EPA-HQ-OAR-2021-0208
From:	Todd Sherwood, U.S. EPA-OTAQ-ASD
Date:	September 8, 2021
Re:	Curve Coefficients Provided via email to Chris Nevers, Rivian
The following is the email exchange with Chris Nevers, Rivian, regarding his request for curve coefficients. Note that the attachment mentioned is not included here, but the data is provided in the table included in the email thread.

From: Sherwood, Todd 
Sent: Wednesday, September 8, 2021 2:59 PM
To: Bolon, Kevin <Bolon.Kevin@epa.gov>; Chris Nevers <cnevers@rivian.com>
Cc: Olechiw, Michael <olechiw.michael@epa.gov>; Tom Van Heeke <tvanheeke@rivian.com>
Subject: RE: Light Duty GHG question

It's easiest to simply provide the numbers. Find attached for the proposal and Alt2 (contents of the attached are shown below in its entirety).

From: Bolon, Kevin <Bolon.Kevin@epa.gov> 
Sent: Wednesday, September 8, 2021 11:41 AM
To: Chris Nevers <cnevers@rivian.com>
Cc: Olechiw, Michael <olechiw.michael@epa.gov>; Tom Van Heeke <tvanheeke@rivian.com>; Sherwood, Todd <sherwood.todd@epa.gov>
Subject: RE: Light Duty GHG question

Hi Chris, 

You're correct that (as far as I know) the alternative 2 target coefficients were not listed out in the tables or text of the NPRM RIA or Preamble. Instead, you can find the coefficients in the docketed files for model runs, which include all inputs and outputs (https://www.regulations.gov/document/EPA-HQ-OAR-2018-0283-0773). I'm cc'ing Todd Sherwood, since he may be able to point to the specific file location within that docket item so that you don't need to spend time digging for it.

-Kevin

From: Chris Nevers <cnevers@rivian.com> 
Sent: Wednesday, September 8, 2021 10:56 AM
To: Bolon, Kevin <Bolon.Kevin@epa.gov>
Cc: Olechiw, Michael <olechiw.michael@epa.gov>; Tom Van Heeke <tvanheeke@rivian.com>
Subject: Light Duty GHG question

Good Morning Kevin, 

It's been some time since we last spoke.  I hope you are well.

Could you help/point me in the right direction for some information used to build the recent 2023-2026 LD GHG proposal?  Specifically, we are looking for the target coefficients for alternative 2 out to 2026 MY.  Perhaps we missed the coefficients or maybe there are some assumptions we need to take when using the original 2012 FR coefficients.

Any help would be most appreciated.

I also added Tom Van Heeke, Rivian's Senior Policy Advisor (Environmental).  Prior to Rivian, Tom was at GM as a SME on climate, clean fuels, and other policy areas.

Best Regards,
CHRIS NEVERS
Sr. Director, Public Policy
P: +1 248-794-5002   E: cnevers@rivian.com
 - 

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