Volkswagen is seeking another air pollution control permit from Chattanooga regulators that could include "Phase 2" of the plant's construction, and documents cite another paint shop line and expansion of the factory's tank farm.

The process of providing public notice of the proposed permit application comes as VW officials continue to consider the Chattanooga plant to build a new sport utility vehicle line.

While the documents don't mention the SUV, they say that Volkswagen Group of America sees two phases of construction at the plant, with the second adding "a second painting line similar to the current Phase 1 paint line."

Bob Colby, who heads the Chattanooga-Hamilton County Air Pollution Control Bureau, said he understands that the company built the plant originally so the second paint shop line can handle more vehicles.

Read more from our news partners at the
Chattanooga Times Free Press