| Litres per truck per month | 5,000 km × 30 L/100km ÷ 100 = 1,500 L |
| Fuel per truck per month | 1,500 L × RWF 1,650 = RWF 2.5M |
| Fleet fuel per month | 40 trucks × RWF 2.5M = RWF 99M |
| Annual saving | RWF 99M × 12 × 8% = RWF 95M |
These are the anchor tenant's assumptions, not measured values. Replace them with the client's own fuel records as Phase 2 lands.