PHYSICS AND THE INTERNAL COMBUSTION ENGINE 25 (b .ILI IIINI a3 IEEII fiIIIII <1 0') g Q (0 ‘3 L 5 § 5 0 g .5 m .- METHOD APORISER VAPORISER PARTLY COOLED HEAT or: COMPRESSION RANGE PARAFF-‘INS 0,, 6E5. - SPEC. A FUELS BESA. SPEC. B. -— _ DATE IBSO ISOO ' BIO O FUEL CONSUMPTION . + COHPRESSION PREssunes. OP ifiNITION CHART ILLUSTRATING DEVELOPHENT OF OIL ENGINE FROM I630- I930 SHOWING RISE IN COMPRESSION PRESSLRES AND DECREASE IN FUEL CONSUMPTION .(YEATES , (Reproduced by courtesy of the Diesel Engine Users’ Association) Fig. 19.