| Environmental Performance Indicators | 2013 | 2014 | 2015 | 2016 | 2017 |
| Total Energy Consumption (GJ) | 1,124,120 | 1,063,686 | 1,303,923 | 1,496,302 | 1,446,336 |
| Direct Energy Consumption - Natural Gas (GJ) | 612,661 | 609,138 | 805,475 | 895,259 | 862,084 |
| Indirect Energy Consumption (GJ) | 511,459 | 454,548 | 498,448 | 601,043 | 584,252 |
| Electricity | 441,120 | 434,108 | 498,448 | 601,043 | 584,252 |
| Steam | 70,339 | 20,440 | 0 | 0 | 0 |
| Energy Consumption per Vehicle Manufactured (GJ/vehicle) | 4.59 | 4.77 | 4.69 | 3.88 | 3.74 |
| Energy Saved Through Efficiency Projects (GJ) | 72,614 | 124,812 | 71,010 | 60,169 | 72,633 |
| GHG Emission Reduction Through Efficiency Projects (Ton CO₂e) | 6,541 | 9,720 | 6,225 | 4,213 | 5918 |
| Scope 1 | 2,254 | 4,995 | 4,403 | 2,688 | 2.708 |
| Scope 2 | 4,287 | 4,725 | 1,822 | 1,525 | 3.210 |
| Direct GHG Emissions (Scope 1) (Ton CO2e) | 49,208 | 50,103 | 68,904 | 77,808 | 68467 |
| Indirect GHG Emissions (Scope 2) (Ton CO2e) | 62,919 | 55,879 | 61,753 | 74,463 | 69136 |
| GHG Emissions From Personnel Commuting (Scope 3) (Ton CO2e) | 2,639 | 2,740 | 3,442 | 4,938 | 3444 |
| GHG Emissions per Vehicle Manufactured (Kg CO2e/vehicle) | 0.458 | 0.476 | 0.470 | 0.397 | 0,358 |
| Total VOC Emissions (ton) | 993 | 891 | 1,054 | 1,388 | 1,319 |
| Specific VOC Emissions (gr/m2 painting surface) | 36.9 | 35.5 | 33.76 | 34.55 | 33.91 |
| Total Water Withdrawal - Underground sources (m3) | 857,305 | 772,247 | 894,265 | 1,254,587 | 1,216,094 |
| Fresh Water Consumption per Vehicle Manufactured (m3/vehicle) | 3.50 | 3.46 | 3.21 | 3.27 | 3.15 |
| Total Water Recovered (m3) | 52,099,771 | 52,430,664 | 60,841,359 | 68,688,520 | 63,204,065 |
| Reuse | 52,079,106 | 52,421,214 | 60,841,359 | 686,88,520 | 63,204,065 |
| Recycle | 20,665 | 9,450 | 0 | 0 | 0 |
| Waste Water Discharge - to Receiving Natural Environment (m3) | 587,561 | 580,600 | 760,629 | 1,009,621 | 987,634 |
| Total Hazardous Wastes by Disposal Method (ton) | 2,618.4 | 1,484 | 1447 | 2305 | 2,431 |
| Energy Recovery | 2,321.9 | 867.31 | 1,014 | 1,667 | 1,869 |
| Recovery | 288.6 | 320.1 | 411 | 507 | 562 |
| Landfill | 0 | 297.44 | 22 | 131 | 0 |
| Total Non-Hazardous Wastes by Disposal Method (ton) | 67,831.5 | 62,753.1 | 7,847.9 | 86,514 | 93,109 |
| Energy Recovery | 296.8 | 1,046.90 | 1,060 | 1,448.5 | 2,766 |
| Recovery | 67,534.7 | 61,706.2 | 7,741.9 | 85,065 | 90,343 |
| Total Non-Hazardous Wastes by Disposal Method (ton) | 2,618.4 | 1,484 | 1,447 | 2,305 | 2,431 |
| Total Packaging Material Used (ton) | 6,535 | 5,987 | 9,316 | 11,768 | 10,263 |
| Packaging Waste Recovery Ratio (%) | 100 | 100 | 100 | 100 | 100 |
| Environmental Trainings - Participation (number of participants) | 1,600 | 3,917 | 2,767 | 3,760 | 1,662 |
| Direct Employees | 630 | 3,092 | 2,143 | 3,517 | 329 |
| Contractor Employees | 970 | 825 | 624 | 243 | 1,333 |
| Environmental Trainings - Total Hours (person x hours) | 1,780 | 3,917 | 6,407 | 3,826 | 1,662 |
| Direct Employees | 630 | 3,092 | 1,648 | 3,504 | 329 |
| Contractor Employees | 1,150 | 825 | 4,759 | 322 | 1,333 |
| Total Environmental Management Costs (TL) | 1821600 | 1.581.544 | 2.230.971 | 1034007 | 1,309,448 |
| Fines Due to non-Compliance to Environmental Regulations (number-TL) | 0-0 | 0-0 | 0 | 0 | 0 |
| Environmental Impact Grievances Received Through Formal Mechanisms (number) | 0 | 0 | 0 | 0 | 0 |
| Suppliers Screened by Using Environmental Criteria (%) | 6 | 9 | 7 | 15 | 14 |