TY - DATA AU - Goldman,Ben ED - Library of Congress. TI - Locomotive idling, air quality, and blocked crossings T2 - IF; PY - 2019///- CY - [Washington, D.C.] PB - Congressional Research Service KW - Locomotives KW - Exhaust KW - Environmental aspects KW - United States KW - Diesel motor exhaust gas KW - Air KW - Pollution N1 - The CRS report home page provides access to all versions published since 2018 in accordance with P.L. 115-141; GPO Cataloging Record Distribution Program (CRDP) UR - https://purl.fdlp.gov/GPO/gpo133075 ER -