Hysterical fears that V-8 engines would be wiped from the Earth by tightening emissions regulations have yet to come to fruition, but one of General Motors's newer eight-cylinder powerplants is now ...

Update, 2:45pm: This post has been updated to clarify the relationship between this latest investigation and GM's earlier recall of the L87 engine. Hysterical fears that V-8 engines would be wiped ...