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Termsort icon Definition
OCSD

Orange County Sanitation District

OEM

Original Equipment Manufacturer

pre-commercial

before being sold on the retail market

PZEV

partial zero emissions vehicle

reactive chemicals

will form positive and negative ions

SAE

Society of Automotive Engineers

SLEV

super low emissions vehicle

SULEV

super ultra low emissions vehicle

TIR

Technical information report

well-to-wheels studies

from fuel production to fuel use

ZBus

zero-emission bus

ZEV

zero emissions vehicle