Quantifying brown carbon light absorption in real-world biofuel combustion emissions

Mohammad Maksimul Islama , Soroush E. Neyestanib , Rawad Salehb & Andrew P. Grieshopa* a Department of Civil, Construction, and Environmental Engineering, North Carolina State University, Raleigh, North Carolina, USAb School of Environmental, Civil, Agricultural, and Mechanical Engineering, University of Georgia, Athens, Georgia, USA