Volkswagen AG and US regulators might finally be close to agreeing to a settlement relating to the 3.0L TDI engines. The agreement could come as early as October, says Audi sales chief Dietmar Voggenreiter. “Hopefully in October, latest the beginning of November, we will have the final agreement with the US,” Voggenreiter told Reuters , adding that VW was in “really good discussions” with US authorities. Volkswagen agreed to a settlement that could cost up to $15 billion dollars late in July, but that only dealt with cars powered by the 2.0L TDI engine, like the Jetta. The 3.0L TDI used a different emissions defeating device so a different settlement has to be reached. The 3.0L TDI V6 is found in about 85,000 American vehicles from Volkswagen, Audi, and Porsche. Although there are more than five times as many 2.0L TDIs, those, by and large, were powering cheaper models, so a similar agreement could still end up costing VW billions. A fix, rather than a buyback plan, could save the