• Ford’s award-winning EcoBoost™ gasoline engines use many of the same technologies found in today’s state-of-the-art diesels, including direct injection and turbocharging
• The next generation of EcoBoost engines will move even closer to diesels as Ford introduces cooled EGR (exhaust gas recirculation), which helps enable higher compression ratios
• Further refinements to EcoBoost engines expected to yield another 5 percent gain in fuel economy

DETROIT, April 14, 2010 – At the 2010 SAE World Congress this week, Dan Kapp, Ford’s director of powertrain research and advanced engineering, and Bob Fascetti, director of large gas and diesel engine engineering, will detail how the next generation of the company’s award-winning EcoBoost engines will further connect gasoline and diesel engine technology.

“The first generation of EcoBoost applied some of the key technologies found in powerful diesel engines – such as direct injection and turbocharging – and optimized them for the gasoline engine,” said Fascetti. “The next generation of EcoBoost engines will continue that path to deliver more power and even better fuel economy with lower emissions, which are key customer benefits of EcoBoost technology.”

Technologies being studied to further expand the potential of EcoBoost include cooled EGR and more advanced forms of turbocharging, which also have links to modern diesel engines. Cooled EGR as applied to an EcoBoost engine can improve efficiency and reduce the tendency for an engine to knock. Cooled EGR is exhaust gas that is cooled in a heat exchanger before being pumped back into the cylinders, where it lowers the combustion temperature.

The result: a cleaner-running engine that develops more power and delivers as much as a 5 percent gain in fuel economy over today’s already efficient EcoBoost engines. Ford’s current generation of 2.0-liter EcoBoost I-4 and 3.5-liter EcoBoost V-6 engines deliver between 10 and 20 percent better fuel economy than comparable normally aspirated V-6 and V-8 engines, respectively.

Ford holds more than 125 patents on its EcoBoost technology, which combines direct injection, turbocharging and variable valve timing to increase performance and reduce emissions. EcoBoost gasoline engines already use much of the same technology that is found in today’s state-of-the-art turbo-diesels.

As with diesels, today’s EcoBoost engines feature:

• A high-pressure direct-injection fuel system fed by a common rail that delivers a precise amount of gasoline in the exact spot for fast and complete burn
• Turbocharging to create a more dense mix of air and fuel in each cylinder
• Special pistons with optimized bowls in the center to improve combustion efficiency. These pistons are also oil-cooled, which reduces in-cylinder temperatures
• Reduced CO2 emissions and higher fuel economy

via NEXT GENERATION OF FORD’S ECOBOOST ENGINES PROMISE EVEN MORE POWER, BETTER FUEL ECONOMY | Ford Motor Company Newsroom.

Related articles

• SAE 2010: Next-gen Ford Ecoboost engines to get even more efficient with cooled EGR (autoblog.com)
• Ford Explorer to Get 4-Cylinder EcoBoost Engine (wheels.blogs.nytimes.com)
• Report: Four-cylinder EcoBoost Ford Edge coming to Chicago (autoblog.com)
• SAE 2010: Ford confirms Explorer, F-150 EcoBoost, ups production target to 1.5M (autoblog.com)

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