Google shows improved self-driving system in Chrysler Pacifica

By Alexandria Sage and Paul Lienert DETROIT (Reuters) - Google unveiled its latest self-driving system in a Chrysler Pacifica minivan during a Sunday preview ahead of the Detroit auto show, saying the technology is more reliable and affordable. The announcement came from John Krafcik, head of Google's Waymo unit, whose search for partners to develop and install the company's autonomous driving technology into real cars has so far yielded only an alliance with Fiat Chrysler Automobiles and a pend