Hybrid Electric Vehicle Publications

The following technical papers, conference papers, and fact sheets provide information about NREL's hybrid electric fleet vehicle evaluations.

Delivery Vehicles

Cross-Cutting Publications

• Battery Ownership Model: Medium-Duty HEV Battery Leasing and Standardization. Kenneth Kelly, Kandler Smith, Jon Cosgrove, Bob Prohaska, and Ahmad Pesaran. (2015)

Coca-Cola Delivery Trucks

• Coca-Cola Refreshments Class 8 Hybrid Electric Tractor Evaluation: 13-Month Final Report. Mike Lammert and Kevin Walkowicz. (2012)
• Project Startup: Evaluating Coca-Cola's Class 8 Hybrid Electric Delivery Trucks. Mike Lammert. (2011)

FedEx Delivery Trucks

• In-Use and Vehicle Dynamometer Evaluation and Comparison of Class 7 Hybrid Electric and Conventional Diesel Delivery Trucks. Jonathan Burton, Kevin Walkowicz, Petr Sindler, and Adam Duran. (2013)
• Project Results: Evaluating FedEx Express Hybrid Electric Delivery Trucks. Robb Barnitt. (2011)
• FedEx Express Gasoline Hybrid Electric Delivery Truck Evaluation: 12-Month Report. Robb Barnitt. (2011)
• FedEx Gasoline Hybrid Electric Delivery Truck Evaluation: 6-Month Interim Report. Robb Barnitt. (2010)

United Parcel Service Delivery Vans

• Measured Laboratory and In-Use Fuel Economy Observed over Targeted Drive Cycles for Comparable Hybrid and Conventional Package Delivery Vehicles. Michael Lammert, Kevin Walkowicz, Adam Duran, and Petr Sindler. (2013)
• Eighteen-Month Final Evaluation of UPS Second-Generation Diesel Hybrid Electric Delivery Vans. Michael Lammert and Kevin Walkowicz. (2012)
• Thirty-Six Month Evaluation of UPS Diesel Hybrid Electric Delivery Vans. Michael Lammert and Kevin Walkowicz. (2012)
• Interim Project Results: United Parcel Service's Second-Generation Hybrid Electric Delivery Vans. Michael Lammert. (2012)
• Project Overview: United Parcel Service's Second-Generation Hybrid Electric Delivery Vans. Michael Lammert. (2011)
• United Parcel Service Evaluates Hybrid Electric Delivery Vans. Kevin Walkowicz. (2010)
• Twelve-Month Evaluation of UPS Diesel Hybrid Electric Delivery Vans. Michael Lammert. (2009)

Transit Buses

Long Beach Transit Buses

• Long Beach Transit: Two-Year Evaluation of Hybrid Electric Transit Buses. Mike Lammert. (2008)

New York City Transit Buses

• In-Use Performance Comparison of Hybrid Electric, CNG, and Diesel Buses at New York City Transit. Robb Barnitt. (2008)
• BAE/Orion Hybrid Electric Buses at New York City Transit: A Generational Comparison. Robb Barnitt. (2008)
• New York City Transit Hybrid and CNG Transit Buses: Final Evaluation Results. Robb Barnitt and Kevin Chandler. (2006)
• New York City Transit Drives Hybrid Electric Buses into the Future. Leslie Eudy and Robb Barnitt. (2005)
• MTA New York City Transit: Diesel Hybrid Electric Buses. Leslie Eudy. (2003)
• NYCT Diesel Hybrid Electric Buses: Final Results. Kevin Chandler, Kevin Walkowicz, and Leslie Eudy. (2002)
• New York City Transit: Diesel Hybrid Electric Buses. Leslie Eudy. (2001)

Knoxville Area Transit Buses

• Case Study: Ebus Hybrid Electric Buses and Trolleys. Robb Barnitt. (2006)
• Propane Hybrid Electric Buses. Robb Barnitt. (2005)
• Diesel Hybrid Electric Buses. Robb Barnitt. (2004)

King County Metro Transit Buses

• King County Metro Transit Hybrid Articulated Buses: Final Evaluation Results. Kevin Chandler and Kevin Walkowicz. (2006)
• King County Metro Transit: Allison Hybrid Electric Transit Bus Laboratory Testing. Robert Hayes, Aaron Williams, John Ireland, and Kevin Walkowicz. (2006)
• King County Metro Transit: Diesel Hybrid Electric Buses. Leslie Eudy. (2004)