Add to ORKGThe paper attempts to analyse the ethical duties of engineers contained in selected engineering codes of ethics and indicates a few problems arising in teaching professional engineering ethics in technical studies. The codes of ethics under analysis, both Polish and foreign (American), show similarities and differences. The author indicates the likely causes of these similarities and differences and suggests the need for further research on the development of ethical standards as well as their implementation, application and enforcement. The author discusses teaching ethics based on his own experience and compares a few American textbooks used for engineering ethics teaching. The author indicates a lack of necessary teaching materia...