Our Experts Brendan Shaffer Research EngineerITS-IrvineUC Irvine20152015 Research EngineerAdvanced Power and Engergy ProgramUC Irvine20152015 Sr Manager Analytics and TestingEnergy Vault2023 Related Information LinkedIn Recent Publications SEE MORE research report | June 1, 2017 Air Quality and Greenhouse Gas Benefits of an Advanced Low-NOx Compressed Natural Gas Engine in Medium- and Heavy-Duty Vehicles in California policy brief | May 1, 2017 Advanced Low-NOx Compressed Natural Gas Engines in Medium- and Heavy-Duty Vehicles Are Poised to Deliver Air Quality Benefits and Advance California’s Climate Goals