An auto designer chooses to devote his efforts to design an automobile that is the safest vehicle possible. He does so because he wishes to save lives and prevent disabling injuries. He believes he and his employer have a duty to provide the public with the safest possible vehicle. The designer's approach to ethical decision-making is best characterized as:

Deontological                                                                        

Explanation:

Deontological: In moral philosophy, the term "deontological" is also referred to as deontology, and is described as the "normative ethical theory" that signifies that the "morality" of a specific action needs to be based on whether that specific action itself is considered as wrong or right under a particular series of rules, instead of basing on the result of that action.

In the question above, the designer's approach to ethical decision-making is best characterized as deontological.