This report describes the ongoing investigation into the evaporative emission performance of aging light-duty vehicles. The objective of this study was to add additional data to the Coordinating Research Council's (CRC) E-77-2 evaporative emission/permeation test program.
You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.- Evaporative Emissions from In-Use Vehicles: Test Fleet Expansion (CRC E-77-2b) Final Report (PDF)(354 pp, 2 MB, October 2010, EPA-420-R-10-025)