In order to motivate the students in a Problem Based Learning environment, two different strategies are analyzed. The first one consists in introducing two crosscutting issues such as the ecology and the study of patents. In that strategy, the students need to solve the activities taking in account this “green component” to obtain the best solution as well as the study of patents (which is the process to patent something), that engineers need to know to develop their professional career. The second strategy is to analyze the motivation of students when PBL is combined with different instructional methods, different objectives and in different courses. In order to do this analysis, we have implemented different practices that includes both e-learning and m-learning. Finally, we analyze the motivation during our PBL courses through a survey. This analysis has been done in three different subjects in a Telematics engineering degree at University of Extremadura, Spain.