A fuel-cycle model that allows researchers to evaluate various engine and fuel combinations on a consistent fuel-cycle basis. To address technology improvements over time, GREET separates fuels and vehicle technologies into near- and long-term options. The latter are assumed to have improved energy and emission performance compared with the former.
If you click on the link above and the target URL does not connect to a U.S. Federal website (i.e. does not send you to a .gov or .mil address), the following disclaimer applies:
Links to any non-Federal organizations are provided solely as a service to our users. These links do not constitute an endorsement of these organizations or their programs by FedCenter.gov or the Federal Government, and none should be inferred. Any reference to a commercial product, process, service, or company is not an endorsement or recommendation by the U.S. government, FedCenter, or any of its partners. FedCenter.gov is not responsible for the content of the individual organization Web pages found at these links.
Executive Order 14057
