Select a letter to go to the terms beginning with that letter.

WAF
Water Accumulated Fraction
WAFI
Wax Anti Settling Flow Improver
WASA
Wax Anti Settling Additive
WCM
Wax Crystal Modifier
WDFQS
Winter Diesel Fuel Quality Survey
WFD
Waste Framework Directive
WHDC
World Harmonized Drive Cycle
WLTP
Worldwide Harmonized Light Vehicles Test Procedures
WOE
Weight of Evidence
WOT
Wide Open Throttle
WOTAG
Waste Oil Technical Advisory Group (UK)
WTD
Weighted Total Demerits (of engine test ratings)
WTI
West Texas Intermediate
Performance you can rely on.