Engineers at Caterpillar, Inc. have been working to design their products so that they are more fuel efficient and have lower emissions to enable their customers to reduce their carbon footprint and improve air quality. Caterpillar's concern about air quality, fuel economy, and the carbon footprint of their customers is related to the firm's
a. social responsibility.
b. legal obligation.
c. competitive landscape.
d. ethical responsibility.
Answer: a. social responsibility.