Transportation Energy Analysis

Transportation energy represents one of the EERA strengths, combining our analytical skills with extensive knowledge of transportation systems (highway, marine, rail; infrastructure and vehicle technologies; emissions, economic, and energy use).  We have experience developing a variety of models and using existing off-the-shelf models.

Life-cycle and Low-Carbon Fuel Pathways

The EERA team is experienced conducting life-cycle analysis of conventional and low-carbon fuel pathways.  Our expertise includes knowledge of attributes that vary by region or by system, which may have important impacts on life-cycle emissions and energy use.  For instance, such attributes include transportation and distribution mode and distance, agricultural practices for biofuels, and electricity mix and time of use for electric vehicles.  Employing assumptions specific to New York State, we have developed the New York Greenhouse Gas and Regulated Emissions and Energy Use in Transportation (NY-GREET) model for the New York State Energy Research and Development Authority (NYSERDA), which estimates total-fuel-cycle emissions and energy use for a number of conventional and lower carbon fuel pathways, including gasoline and diesel, hydrogen produced by various pathways, corn and cellulosic ethanol, and electricity.

Ship, Truck and Rail Emissions and Fuel Cycle Analysis

EERA's team members are experts at understanding how energy-use and emissions change according to modal choice in transportation.  Additionally, EERA uses total fuel-cycle analysis to help clients understand the energy use and emissions associated with the production, distribution, and combustion of transportation fuels.

Alternate Energy Analysis

EERA has conducted a number alternative energy analyses for various clients, including assessments of energy, environmental, and/or economic impacts of: local biofuels production, production and use of hydrogen as a transportation fuel, use of alternative fuels in heavy-duty vehicles, and electrification of freight and passenger transportation technologies.  Electrification studies have ranged from assessment of the macroeconomic impacts of petroleum displacement for passenger cars, to examination of local emissions reductions and fuel cost savings due to electrification of rail technologies.  EERA also specializes in alternative energy use in marine transportation, having developed the Total Emissions and Energy Analysis for Marine Systems (TEAMS) model, which can estimate total fuel cycle emissions for marine vessels using conventional and alternative fuels. EERA has analyzed sulfur and greenhouse gas emissions tradeoffs of California's proposed low-sulfur marine fuels.