00832nam 2200157z- 450 9910712611303321(CKB)5470000002496054(EXLCZ)99547000000249605420230509c1981uuuu -u- -engRecommendations regarding the selection of idle emission cutpoints for inspection and maintenance programs requiring only carbon monoxide emission reductionsEmission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air, Noise, and Radiation, U.S. Environmental Protection AgencyAnn Arbor, MichBOOK9910712611303321Recommendations regarding the selection of idle emission cutpoints for inspection and maintenance programs requiring only carbon monoxide emission reductions3263257UNINA