2013 Buick Regal: 36-MPG eAssist System Comes Standard
 

http://images.thecarconnection.com/t...00358241_t.gif The Buick Regal lineup gets considerably more fuel-efficient for 2013—with an EPA rating of 36 mpg highway that beats most other sedans its size. GM has dropped the base 2.4-liter Ecotec direct-injected four-cylinder engine on the 2013 Buick Regal and is instead making its eAssist mild-hybrid powertrain standard. Eassist, which GM calls...

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