In LHR biodiesel condition, the engine power was decreased from 9.2% to 1.8% at low engine speeds (1100–1400 rpm), at medium engine speeds (1600–2400 rpm) the engine power increases from 1.8% to 4.9%, at high engine speeds (2600–2800 rpm) the engine power decreases again from 3.1% to 8.4%.