Table 1 Effects of engine load percentage and fuel blends percentage on power take-off speed, power take-off power, power take-off torque, engine speed, brake power, brake specific fuel consumption, brake thermal efficiency, fuel consumption, brake mean effective pressure, O₂ percentage, CO₂ percentage, CO, NO, and SO₂.

Treatments	PTO speed (rpm)	PTO power (kW)	PTO torque (Nm)	Engine speed (rpm)	Brake power (kW)	Brake specific fuel consumption (BSFC)	Brake thermal efficiency (BTE)	Fuel cons (kg/h)	brake means effective pressure (kPa)	O₂ (%)	CO₂ (%)	CO (ppm)	NO (ppm)	SO₂ (ppm)
(A) Load (%)
0	679.4a	7.0d	98.6e	2774.1a	10.0 d	1.01b	8.5d	10.2e	92.9e	15.27a	4.20e	86.00c	272.5e	2.00e
25	628.3b	24.9b	378.6d	2565.5b	35.6 b	0.42d	20.7b	14.9c	356.7d	10.99b	7.37d	62.53d	450.8d	7.31d
50	509.6c	29.6a	555.5c	2080.6c	42.4a	0.40e	22.0a	16.7a	523.1c	7.95c	9.68c	86.25c	548.8b	11.00c
75	323.3d	21.3c	627.9a	1320.2d	30.4c	0.52c	16.8c	15.6b	591.5a	6.13d	11.11b	157.16b	566.5a	13.06b
100	69.2e	4.3e	597.4b	282.6e	6.2 e	1.88a	4.6e	11.6d	563.1b	5.53e	11.68a	275.25a	504.0c	13.50a
LSD _0.05	4.9	0.2	3.3	12.1	0.3	0.01	0.1	0.1	4.7	0.03	0.06	0.83	2.2	0.06
(B) Blends (%)
0	454.3a	18.9a	475.6a	1854.8a	26.9a	0.79d	16.7a	13.1d	448.2a	8.75d	9.03	159.50a	460.0d	14.75a
5	447.0b	18.0b	460.3b	1825.2b	25.7b	0.82c	15.0b	13.7c	433.6b	9.06c	8.90b	152.75b	463.5c	12.75b
20	435.6c	16.7c	442.1c	1778.6c	23.9c	0.87b	13.7c	13.9b	416.4c	9.22b	8.93b	138.50c	466.5b	10.00
100	430.9d	16.1d	428.5d	1759.8d	23.0d	0.90a	12.6d	14.4a	403.6d	9.67a	8.38c	83.00d	484.0a	0.00
LSD_0.05	4.4	0.2	3.0	10.8	0.2	0.01	0.1	0.1	4.2	0.03	0.05	0.74	2.0	0.06
Interaction
A × B	*	*	*	*	*	*	*	*	*	*	*	*	*	*

Means in column (s) followed by the same letter are not significant at the 0.05 level of probability.
*Significant difference at the 0.05 level of probability.

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