Fuel oil
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Fuel oil is any of various fractions obtained from the distillation of petroleum. Such oils include distillates and residues. Fuel oils include heavy fuel oil, marine fuel oil, furnace oil, gas oil, h
An oil tanker taking on fuel, or "bunkering"
A fuel station in Zigui County on the Yangtze River
Fuel oil truck making a delivery in North Carolina, 1945
A sample of residual fuel oil
Heavy fuel oil
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Heavy fuel oil is a fuel oil of a tar-like consistency. Also known as bunker fuel or residual fuel oil, HFO is the residual mixture left over from the distillation and cracking of crude oil in oil ref
Wildlife suffering from a tanker oil spill. Tar-like HFO coats and persistently sticks to feathers.