This is Argonne National Laboratory’s R&D version of GREET. For versions of GREET used for determining tax credits, please click here.
R&D GREET® Model
The Greenhouse gases, Regulated Emissions, and Energy use in Technologies Model
GREET News
January 16, 2024
Public Survey for the Architecture Design of a New R&D GREET Software
With the support of The Office of Technology Transitions (OTT), Argonne National Laboratory is
developing the next-generation R&D GREET software, aiming to deliver enhanced user experience and LCA
functionalities. We are seeking
feedback
from potential users and stakeholders on the current architecture
design.
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