FOCUS-Argo takes different road to skirt self-driving challenges <!-- no image --> <div>Sky's the limit optimism about self-driving cars is giving way to tougher questions about how expensive automotive artificial intelligence will ever make a profit.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=2gZ3X9z2DN4:VX8zc8Tp3gs:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=2gZ3X9z2DN4:VX8zc8Tp3gs:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=2gZ3X9z2DN4:VX8zc8Tp3gs:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=2gZ3X9z2DN4:VX8zc8Tp3gs:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=2gZ3X9z2DN4:VX8zc8Tp3gs:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/2gZ3X9z2DN4" height="1" width="1" alt=""></div> Posted by Reuters