exhaust gas recirculation (EGR)

Earlier this week Ford announced plans for three new EcoBoost engines to enter its North American lineup by the end of the year, with a pair of four-cylinder versions destined for the 2011 Ford Explorer and Edge models. For anyone not in the know, EcoBoost is essentially the addition of separate direct injection, variable cam timing and turbocharging technologies to a downsized engine, which results in a smaller engine providing the power and torque of a much bigger one. Ford is so confident of its new EcoBoost technology that the company expects it to be available in 80 percent of its...