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emissions testing(2)
refuel laboratory(2)
renewable fuels and lubricants laboratory(2)
advanced fuels research(1)
chassis dynamometer(1)
eaton corp. parallel hyb(1)
emissions analysis(1)
engine dynamometer(1)
engine off at idle(1)
fuel economy testing(1)
nrel fleet test and evaluation team(1)
transportation(1)
united parcel service second-generation hybrid-electric delivery vans(1)