Article: A process model to estimate biodiesel production costs

Summary: What is a main concept in the case or article? 

Select a possible solution to the case. Explanation of how you select this solution (the best alternative is not always feasible to resolve the central or primary situation presented in the case or article).

Reflective analysis on the evolution of the case or article. You can use other references that address the situation raised in this case or article from other perspectives.

Conclusion or recommendation.

If the case has questions, answer them.