Design, Construction, and Evaluation of the Performance of Dual-Axis Sun Trucker Parabolic Solar Cooker and Comparison of Cooker

Table 7

Amount of fuel used in boiling water and cooking foods for a single person.

No.	Foods	Charcoal		Firewood		Kerosene		Electricity
		Amount (kg)	Energy cost (ETB)	Amount (kg)	Energy cost (ETB)	Amount (L)	Energy cost (ETB)	Amount (kWh)	Energy cost (ETB)
1	Water	0.025	2.50	0.08	1.6	0.05	1	0.267	0.024
2	Egg	0.025	2.50	0.16	3.2	0.025	0.5	0.467	0.042
3	Potato	0.025	2.50	0.08	1.6	0.05	1	0.234	0.021
4	Nefro	0.075	7.5	0.75	15	0.5	10	1.517	0.137
5	Shero wet	1	10.00	0.5	10	0.4	8	0.767	0.069
6	Siga wet	1	10.00	0.75	15	0.5	10	1.134	0.102
7	Rice	0.025	2.50	0.16	3.2	0.025	0.5	0.417	0.038