When companies develop a reputation for environmental excellence, and they produce and deliver products and services designed to attract environmentally aware customers, this is called: Technological innovation. Strategic planning. Brand differentiation. Cost savings.

Brand differentiation.

Explanation:

Brand differentiation is defines as the process by which a firm in a competitive market makes its brand different and distinct from others in the market. This is done in a bid to gain competitive advantage over other firms.

Developing a reputation for environmental excellence, and producing and delivering products and services designed to attract environmentally aware customers is a form of differentiation.

When companies develop a reputation for environmental excellence, and they produce and deliver products and services designed to attract environmentally aware customers, this is called Brand differentiation.

Explanation:

A process undertaken by companies who seek to have a guarantee that their brand stands out from their competitions' is known as Brand differentiation.

Culling out unique qualities a product offers and promoting them in a way that best targets consumers, results into gaining a competitive advantage over rivals, which, in turn, should result into to increased market share.

Brand differentiation doesn't necessarily need to target a company's advertising campaign, it can come in several forms such as the way a product is packaged and incorporating new functional features into products.