kgeiger writes: The WSJ and other outlets report Ford Motor's formal plans to deploy a three-cylinder, turbo-charged "Ecoboost" engine. About the length of a legal-sized piece of paper (14 in or 36 cm), the 97 kg motor generates 88 kW (118 HP) per liter of displacement. The 1 liter engine produces the same power as current 1.6 l engines. It uses a cast-iron block to retain heat. The new motor wil be featured in Ford's Focus line of world cars.