New oil helps vehicles run efficiently
Alejandro Soto, 100th Force Support Squadron auto hobby shop technician from McFarland, Calif., checks the dipstick of a vehicle Aug. 13, 2014, at the auto hobby shop on RAF Mildenhall, England. The dipstick measures how much oil is in the tank to insure the level is not too high or too low, which could result in irreversible damage to the engine. (U.S. Air Force photo/Gina Randall/Released)

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