title: Reply to Bistline and Blanford: Letter reaffirms conclusions and highlights flaws in previous research.
authors.affiliation: Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305; jacobson@stanford.edu.
authors.forename: Mark Z
authors.initials: MZ
authors.lastname: Jacobson
authors.affiliation: Institute of Transportation Studies, University of California, Berkeley, CA 94720.
authors.forename: Mark A
authors.initials: MA
authors.lastname: Delucchi
authors.affiliation: Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305;
authors.forename: Mary A
authors.initials: MA
authors.lastname: Cameron
authors.affiliation: Department of Civil and Environmental Engineering, Stanford University, Stanford, CA 94305;
authors.forename: Bethany A
authors.initials: BA
authors.lastname: Frew