Answer:
b. Proactive
Step-by-step explanation:
Proactive response is a corporate response in which the corporate anticipates or identifies the problem and develops ways and methods to reduce the impact or eliminate the problem.
Here in the question development of recyclable aluminium car bodies will actively help in reducing the demand of the fresh aluminium.
Also,
the reduction or the conserving of fuel will help reducing the fuel demands which is among the major source of CO₂