Purpose This paper aims to deal with the skills for sustainable development in engineering courses. The main objective is to identify which competences should be developed in these courses to contribute to the resolution of conflicts related to sustainability, as well as the means used by universities for their development. Design/methodology/approach The research is divided into two strands: a theoretical and an empirical one. Concerning the theoretical part, the webibliomining method was adopted, to select the articles that were relevant to the theme, and 22 works were selected. Regarding the empirical study, structured questionnaires were applied to 30 specialists in the field, aiming at validating the competencies found in the literature. Findings In the literature, eight main competencies required to the engineering professional, related to sustainability, were found. The empirical study showed that some competences are considered more relevant than others by the interviewees. Practical implications The competencies verified in the present study and the relative relevance between them found in the empirical study can contribute to the engineering courses that wish to develop the sustainable behavior of the engineers in their professional or daily life. Originality/value The originality of the work consists in presenting to engineering students and teachers as well as professionals of the market and the government the competencies that can contribute to the formation of an engineer capable of bringing adequate solutions to the conflicts of sustainability in the twenty-first century. This paper also presents learning teaching methodologies indicated for this purpose. No other works were found with these results.
Standard-Nutzungsbedingungen:Die Dokumente auf EconStor dürfen zu eigenen wissenschaftlichen Zwecken und zum Privatgebrauch gespeichert und kopiert werden.Sie dürfen die Dokumente nicht für öffentliche oder kommerzielle Zwecke vervielfältigen, öffentlich ausstellen, öffentlich zugänglich machen, vertreiben oder anderweitig nutzen.Sofern die Verfasser die Dokumente unter Open-Content-Lizenzen (insbesondere CC-Lizenzen) zur Verfügung gestellt haben sollten, gelten abweichend von diesen Nutzungsbedingungen die in der dort genannten Lizenz gewährten Nutzungsrechte. Using annual data on individual US airlines over the 1995-2015 period, this paper presents regression results relating an airline's total fuel usage to seven variables: the available ton miles of capacity (passengers plus freight and mail) provided by the airline; the average seat capacity of its aircraft, average stage length (flight distance); average load factor (measured by weight); the average vintage (construction year) of its aircraft; the percentage of the airline's flights that are delayed; and the average annual fuel price. The results show how fuel usage and carbon emissions depend on a small set of crucial variables. The estimated fuel-price effect allows the emissions impact of an optimal emissions charge to be computed, and the estimated delay effect shows the emissions impact of an industry-wide reduction in flight delays. The regression model is generated from a theoretical framework. Terms of use: Documents inJEL-Codes: Q500.
PurposeThe maintenance of process improvement programs within organizations is not an easy task. Some processes do not maintain the results achieved with the improvement project and again present low performance shortly after completion of the project. This paper aims to identify the socio-technical causes responsible for the loss of process performance after applying improvement projects, in order to support the mitigation of the problem.Design/methodology/approachA systematic review of the literature was carried out, which allowed the selection of 28 articles. The empirical stage used the benchmarking technique, along a large Brazilian mining company with an international standard of production and quality. This organization has been using improvement projects for more than ten years.FindingsThe research complements the literature regarding the prioritization of the 26 identified failures and the identification of seven new failure factors and two resources. Findings in this study can be an inspiration for other organizations, considering the similarity of methodological aspects of improvement projects since internationally standardized methodologies such as Six Sigma, Lean, Kaizen and 5S are used.Originality/valueThe research presented a proposal of guidelines that corroborate to the mitigation of loss of process performance after improvement project.
The aim of this paper is to present a model that quantifies the level of QHSE culture maturity in a segment of the oil and gas industry, with recommendations to increase the level of QHSE awareness. The theoretical reference is based on the understanding of the premises about safety culture and its aspects, while the methodological approach of this article is based on an exploratory study supported by a research with QHSE specialists in the segment. After analyzing the results and discussions, it was verified that the safety maturity level is high but needs some improvement points. Results showed that the presented evaluation method can be effective to evaluate the current state of the safety maturity, however, it is necessary to follow some basic prerequisites for its implementation.
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