Today on my round trip from South Deerfield,MA to Northampton, Hadley, Amherst back to So Deerfield I saw a total of 4 TDI,s. A red A4 Jetta wagon in the center of So Deerfield, a grey A4 Jetta sedan at the Jct of Rts 5&10 and Rt 116. In Northampton on King St a lime green Passat and in Hadley...