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Fuel efficiency calculator
With Guardol FE, Class 7–8 fleets can save up to 1.5% on annual fuel costs, and Class 6 fleets can save even more – up to 2%.
Calculate what your fleet could save by switching to Phillips 66 Guardol FE.
GUARDOL FE 10W-30 W/LIQUID TITANIUM
Phillips 66® Guardol FE (Fuel Economy) Diesel Engine Oil with Liquid Titanium protection additive is a premium quality, part-synthetic API FA-4 engine oil developed for fuel economy benefits in 2014 and newer engines.
DD13 engine teardown at 900,000 miles on FA-4 10W-30dw
FA-4 Transit Van Fuel Economy Testing
DD13 Scuffing Test (ASTM 8074) Performance
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