TY - BOOK ID - 138538293 TI - Reduced certification testing for motorcycles. PY - 1975 PB - [Ann Arbor, Mich.] : Standards Development Support Branch, Emission Control Technology Division, Office of Mobile Source Air Pollution Control, Office of Air and Waste Management, U.S. Environmental Protection Agency, DB - UniCat KW - Motorcycles KW - Air quality management KW - Air KW - Motors KW - Exhaust gas KW - Pollution UR - https://www.unicat.be/uniCat?func=search&query=sysid:138538293 AB - ER -