终于有人测量了它一项重要发现

SOMEONE FINALLY MEASURED ITGREG BANISHSOUNDS EASY AT FIRSTEPA Papers•Signature Device Testing•2020-01-0372•2018-01-0650•2016-01-2324ECM “QBF”Sensors Inc. EOL Tester1 MPH OVER THE LIMIT?REALITY OF ENFORCEMENT NEEDSDO WE NEED A 1066 LAB TO FIND THIS?02040608010012020406080100120140160180Mini PEMS Overall ScoreCert. Emissions BinMini-PEMs vs Cert Bin02040608010012020406080100120140160180Mini PEMS Overall ScoreCert. Emissions BinMini-PEMs vs Cert BinSpeeding TicketClean ResultTIERED INSPECTION SCRUTINYFORENSIC INVESTIGATIONLIMITED BUDGET$ DRIVE TE$TPLAN$“What does CLEAN look like?”Measured gramsTarget Cert LimitMeasurement UncertaintyCHALLENGES FOUND IN EARLY MINIPEMSTESTINGTesting Noise Factors Match Real World Usage(Nobody actually drives the cycle!)•Weather Changes•Traffic•Driving Habits•Murphy’s LawCHALLENGES CONT’D…Barriers to Access•Cost•Cost•CostCHALLENGES CONT’D…Random Fuel Quality•Local Blends•Summer/Winter Blend•Ethanol Content•Aging, loss of VOCs•Formulation, H:C, O:C, Additives