Increasing energy need brings people one step closer to energy saving and alternative sources. The search for reliable and sustainable resources also contributes greatly to technological progress. Thanks to advanced technology, energy use becomes more efficient. However, the concept of sustainability emerges in the field of energy as in other sectors. It is expected that electric vehicles, which have started to increase in interest in recent years, will make a positive contribution to issues such as environmental protection and sustainable energy. In addition, production centers for electric vehicles should also be sustainable and sensitive to carbon emissions. In this study, energy and carbon loss assessment was carried out in an electric bus manufacturing factory. With the help of linear regression analysis, the data of the last 3 years were evaluated. Moreover, as a result of internal audits, energy loss points were determined. As a result of this study, sustainability, carbon loss, and energy management issues in an electric vehicle production factory were evaluated and guiding qualities for today's and future technology companies were revealed.

Kentsel büyüme tatlısu kaynaklarına olan ihtiyacı artırmaktadır ve su kentler için dikkate değer bir öneme sahiptir. Hızlı büyüyen mega kentlerin pek çoğu kirlilik, ötrofikasyon, atıksu arıtımı eksikliği ve belki de en önemlisi temiz su eksikliği gibi ciddi su ile ilgili problemlerle karşı karşıyadır. Dünyanın tüm kentsel kısımlarında su kaynakları verimsiz bir yolla kullanılmaktadır. Bursa, içme suyu ve genel kullanım suyu temini açısından Türkiye’nin en zengin kentlerinden biridir. Tatlısu kaynaklarının dışında Bursa kenti termal su kaynakları açısından da zengindir. Bursa, su kaynakları ve atıksu arıtım faaliyetleri açısından çevreye duyarlı su yönetim sistemi ve ileri görüşlülüğü ile örnek bir şehirdir. Bu çalışmada, Türkiye’nin Güney Marmara Bölgesi’nde bulunan ve zengin su kaynakları ile önem arz eden bir metropolitan kent olan Bursa su tüketimi ve su kaynakları açısından değerlendirilmektedir. Çalışma kapsamında atıksu arıtım faaliyetleri de belirtilmiştir. Çalışma sonucunda Bursa’daki su kaynaklarının ve atıksu arıtım servislerinin geliştirilmesi ile ilgili çözüm önerileri verilmiştir.

The (RSM) is a useful method for optimizing analytical methods and it has been applied to evaluate independent variables in FPs. In this study, the removal of dimethoate (DMT) which is a commonly used pesticide and has a toxic effect on the environment, was evaluated in terms of oxidation and mineralization efficiency using response surface methodology (RSM) in the Fenton-like process (FLP). The obtained optimum conditions for DMT oxidation and mineralization using the FLP included DMT/Fe⁺³/H₂O₂ ratio of 0.018 mM/0.03 mM/0.15 mM and reaction time of 65 min. DMT oxidation efficiency was 78% and mineralization efficiency was 18%. The initial DMT concentration was the most significant variable affecting both the oxidation and mineralization efficiency of DMT.

Background: Natural wastewater treatment systems (NWTSs) in small villages are a major challenge for European water authorities. With growing social demands for environmental practices, evaluating the feasibility and environmental impact of low-cost treatment systems for small residential areas is essential. Methods: To address this challenge, this study was conducted to evaluate 10 NWTSs seasonally in rural areas of Bursa, Turkey. Authorities over the facilities permitted the examination of workable, low-cost effluent management options. Also, using Open-LCA software based on ReCiPe MidPoint (H) version 1.67, these plants’ effects on global warming, Phosphorus-depletion, human toxicity, marine eutrophication, and freshwater eutrophication were examined. Results: According to the LCA findings, Deydinler NWTS had a greater impact across all three effect areas (freshwater eutrophication, marine eutrophication, and human toxicity), ranging from 11 to 41%. Pinar and Yenice facilities, however, had 26% and 27% larger impacts in the same two impacts (marine eutrophication and human toxicity). These systems performed on average at 67%, 50%, and 58% chemical oxygen demand (COD), total nitrogen (TN) and total phosphorus (TP) elimination, respectively. Conclusion: According to the findings, 10 NWTSs have a treatment efficiency of about 70%. NWTSs are possibilities for decentralized wastewater treatment in small residential areas that are both cost-effective and environmentally favorable. By treating organic pollution naturally, without chemicals, and with minimal energy use, they lessen their negative environmental effects. The main findings of this study will be useful for academics in determining future research areas and identifying whom they might consult to help design carbon footprint of NWTS and future carbon reduction objectives.