Three-Dimensional Printing Is Expected to Dramatically Reduce Businesses' Carbon Footprints

Three-dimensional printing is expected to dramatically reduce businesses' carbon footprints because the technology ______.

A) enables the use of only recyclable raw materials and renewable energy sources
B) will be heavily taxed so that the tax revenues can be channeled into green programs
C) nearly eliminates transportation of finished goods to distribution centers and retailers
D) is usable only locally and thus will tend to promote local economies that are small