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.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=bTolPYK7OEA:5ybHBSnVDBk:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=bTolPYK7OEA:5ybHBSnVDBk:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=bTolPYK7OEA:5ybHBSnVDBk:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=bTolPYK7OEA:5ybHBSnVDBk:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=bTolPYK7OEA:5ybHBSnVDBk:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/bTolPYK7OEA" height="1" width="1" alt="" />