Our Experts David Sedath GSRDepartment of Civil and Environmental EngineeringSamueli School of EngineeringUC Irvine20162018 GSRITS-IrvineUC Irvine20162018 Recent Projects SEE MORE Investigation of Heavy-Duty Vocational Vehicle Usage and Suitability of Aerodynamic Improvement Devices Complete | Jun 2017—Apr 2019 Research Team: Stephen Ritchie (lead), David Sedath, Andre (Yeow Chern) Tok, Rezwana Rafiq, Brian Casebolt, Suman Mitra Department(s): Civil and Environmental Engineering