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ARGONNE NATIONAL LABORATORY


ENERGY SYSTEMS AND INFRASTRUCTURE ANALYSIS

 * Research
 * Capabilities
 * Publications
 * News

R&D GREET®

 * Publications
 * Databases
 * R&D GREET Model Platforms
    * R&D GREET .Net
    * R&D GREET Excel

    * Fuel-Cycle Model
    * Vehicle-Cycle Model

 * GREET Tools
   * R&D GREET Building Module
   * R&D GREET Marine Module
   * R&D GREET Rail Module
   * R&D GREET Battery Module
   * ICAO-GREET Model
   * GREET+ Model
   * FD-CIC Tool
   * WTW Calculator
   * AFLEET Tool
   * AWARE-US Model
   * Refinery Products VOC
   * Decarbonization Model
     
     
     
 * Other Related Models
 * Workshops
 * Copyright Statement
 * Contact

This is Argonne National Laboratory’s R&D version of GREET.
For GREET versions used for determining tax credits, please click here.
A brief introduction to R&D GREET can be found here.




R&D GREET® MODEL

The Greenhouse gases, Regulated Emissions, and Energy use in Technologies Model






GREET News

April 30, 2024
R&D GREET 2023rev1 Release


The Argonne National Laboratory’s Systems Assessment Center is pleased to
announce the 2023 revision 1 release of the suite of R&D GREET Models. Please
read Development of R&D GREET 2023 Rev1 to Estimate Greenhouse Gas Emissions of
Sustainable Aviation Fuels for 40B Provision of the Inflation Reduction Act
(2.61MB pdf) for more details on updates in this version.


DISCLAIMER


R&D GREET 2023 is being released, consistent with Argonne National Laboratory’s
routine annual R&D GREET update process. Consistent with annual updates since
1995, R&D GREET (also historically called “ANL GREET”) includes representation
of new fuel pathways and updates to underlying assumptions. Pathways represented
in the tool include two major categories: A) those that have been rigorously
evaluated and have high certainty; and B) those that are preliminary, which
could include pathways that have not recently been evaluated; those where there
is still a gap in the science or data, and/or those that are currently under
internal or external peer review. Argonne’s annual releases of R&D GREET are
comprehensive in order to inform the life cycle analysis technical community and
elicit stakeholder feedback. These annual releases are meant to share the
early-stage perspectives in life-cycle analysis, particularly in preliminary
form, so as to gather feedback from the academic and technical expert community
and determine where additional research, analysis and data are needed. Not all
pathways and data in R&D GREET are appropriate for use in circumstances where a
high level of quantitative certainty or precision is required. Inclusion of a
pathway or module in R&D GREET does not necessarily represent U.S. Government
concurrence for any specific use, but instead is intended to gather technical
feedback and advance the science of life-cycle analysis.

GREET is referenced in numerous independent state and federal compliance and
incentive programs (including solicitations, rulemakings, and tax incentives),
but it is important to note that this particular release (R&D GREET 2023) is not
the version used by any of these specific programs. Numerous versions of GREET
are currently publicly available (including versions that have been formally
adopted in rulemakings, referenced in rulemaking documents, and referenced in
solicitations), and others are likely to become adopted. But each of these
derivatives of the R&D GREET model will reflect the specific statutes and
parameters of those programs and will have a unique interface (e.g. see
https://energy.gov/eere/greet for examples). Stakeholders seeking to use a GREET
model for purposes of compliance with a given regulatory program should review
guidance specific to that program to ascertain the appropriate version of GREET
to use.

Argonne does not warrant that use of R&D GREET 2023 or any other instance of
GREET is consistent with the requirements of any particular regulatory or
incentive program. Users interested in specific programs that reference GREET
are encouraged to review guidance specific to those programs if and when it is
available to determine appropriate means of compliance and contact the relevant
responsible agencies for those specific policies or programs.

R&D GREET 2023 Downloads


R&D GREET.Net Model (fuel and vehicle cycles):
 * To download R&D GREET.Net and the latest 2023 database please use the
   following link R&D GREET.Net



R&D GREET Excel Model:
 * Fuel-Cycle Model:
   To download R&D GREET_1_2023 please click R&D GREET 1 Series

 * Vehicle-Cycle Model:
   To download R&D GREET_2_2023 please click R&D GREET 2 Series




To read more about R&D GREET and to watch more R&D GREET tutorial videos, please
click here

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