<page_title> Jet engine </page_title> <section_title> Consumption of fuel or propellant </section_title> <table> <cell> Rolls-Royce/Snecma Olympus 593 turbojet <col_header> Engine type </col_header> <col_header> (lb/lbf·h) </col_header> </cell> <cell> Concorde Mach 2 cruise (Dry) <col_header> Scenario </col_header> <col_header> (g/kN·s) </col_header> </cell> <cell> 1.195 <col_header> Spec. fuel cons. </col_header> </cell> <cell> 33.8 <col_header> Spec. fuel cons. </col_header> </cell> <cell> General Electric CF6 turbofan <col_header> Engine type </col_header> <col_header> (lb/lbf·h) </col_header> </cell> <cell> 0.307 <col_header> Spec. fuel cons. </col_header> </cell> <cell> 8.7 <col_header> Spec. fuel cons. </col_header> </cell> </table>
General Electric's CF6 turbofan, uses a lot less fuel than the, Concorde's Rolls-Royce/Snecma Olympus 593 turbojet.