Petroleum fuels make up essentially all of the transportation fuels used today. But fossil fuel use has many economic and environmental downsides, including a weakening of our energy security due to reliance on imported energy sources, air pollution that impacts health, and greenhouse gas (GHG)...

The CA-TIMES optimization model of the California Energy System (v1.5) is used to understand how California can meet the 2050 targets for greenhouse gas (GHG) emissions (80% below 1990 levels). This model represents energy supply and demand sectors in California and simulates the technology and...

The purpose of this report is to understand the extent to which each transportation technology could be used to help meet the 80% emissions reduction target. This report focuses on end-use demands in the transportation sector (i.e. which vehicle technologies will be used to meet demand for...