Greenhouse gases, Regulated Emissions, and Energy use in Transportation (GREET) is a full life-cycle model sponsored by the Argonne National Laboratory (U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy). It fully evaluates energy and emission impacts of vehicle technologies and transportation fuels.
The MFDS is a form containing data regarding the sustainability of a particular substance. Similar to Material Safety Data Sheet, well established in the Environmental Health & Safety world.