NHTSA's opened a preliminary investigation into the diesel 2009 Volkswagen Jetta over possible engine stalling issues. [DetNews]

While no official announcement has been made by either VW or the Feds, word has it the new 2009 VW Jetta TDI will be eligible for a $1,300 alternative-fuel federal tax credit. A leaked dealer release also shows that the new Jetta oilburners will be EPA rated at 29 MPG city/40 MPG highway, but that Volkswagen got them…