A general classification for one of the petroleum fractions produced in conventional distillation operations. It is used primarily for space heating, on-and off-highway diesel engine fuel (including railroad engine fuel and fuel for agriculture machinery), and electric power generation. Included are Fuel Oils No.1, No.2, and No.4; and Diesel Fuels No.1, No.2, and NO.4.
« Back to Glossary Index
Sign Up for Updates
"*" indicates required fields