Reebok is using $3$D$-$printed shoes, which will be custom$-$made at first and then mass$-$

manufactured as unit costs fall. Three$-$dimensional printing is expected to

dramatically reduce businesses carbon footprints because the technology does

which of the following?

Enables the use of only recyclable raw materials and renewable energy

sources

Is heavily taxed so that the tax revenues can be channeled into green

programs

Nearly eliminates transportation of finished goods to distribution centers and

retailers

Is usable only locally and thus will tend to promote local economies that are

small