GREET Model

The GREET model, which stands for "Greenhouse gases, Regulated Emissions, and Energy use in Transportation," is a tool developed by the Argonne National Laboratory in the United States. It is used to evaluate the environmental impacts associated with various transportation fuels and vehicles. The model incorporates a comprehensive lifecycle approach, considering: 1. **Feedstock Extraction and Production**: This includes the assessment of the environmental impacts of raw materials used to produce fuels (e.g.