Reasons for which petroleum is the chosen fuel for transportation in the U. S. include
I. Its energy value per unit volume
II. Its ability to quickly start or stop providing energy
III. Its low amount of pollution produced per Joule

Why does c. wright mills identify critical thinking as one of the most important criteria for the development of intellectual craftsmanship? why is constantly being aware of the biased nature of your reactions and interactions (what c. wright mills calls self-reflexive) key to the development of that critical thinking? finally, why is keeping a file important, how can it lean to intellectual curiosity which can foster critical thinking and to develop a keen analytical mind?