Dr. Andrea Strzelec, assistant professor in the Department of Mechanical Engineering at Texas A&M University, was one of 24 international invited speakers at the 2015 Rideal Conference in Berlin, Germany, as an expert on automotive catalysis. Strzelec's talk was title "The Influences of Fuel Type on Characteristics of Exhaust Particulate," highlighting the novel characterization reactor that she and student Justin Nitz have developed at Texas A&M, for the physical and chemical characterization of powder samples.