American drivers turn to smaller, better engines

W-31: This Sept. 16, 2008 file photo shows the engine compartment of Scott Pierce’s 1969 Oldsmobile F-85 with the W-31 engine performance package, in MEriden, Conn.Back when gas was cheap, Americans bought cars with V-8 engines like the Big Block, Cobra Jet and Ramcharger, but now, thanks to g...