Green Car Congress

FEBRUARY 4, 2013

Since the pistons cyclically expose or occlude the exhaust and intake ports, there is no valve train. Because the intake and exhaust ports are at the opposite ends of the cylinder, opposed-piston engines have efficient, uniflow scavenging. Scavenging continues until a 230° crank angle, at which time the exhaust ports close.

Diesel 334

Diesel Power Powered Exhaust 334

Green Car Congress

DECEMBER 17, 2015

The engine should yield fuel efficiency gains of more than 50% compared to a downsized, turbo-charged gasoline direct injection engine, while reducing the overall cost of the powertrain system, said Fabien Redon, Vice President, Technology Development at Achates Power. Earlier post.) Earlier post.).

Downsizing 150

Downsizing Engine Fuel Gasoline 150

Green Car Congress

JANUARY 17, 2011

two split pairs) operating in a 2004 Chevrolet Cavalier would consume 25% less fuel under the FTP (Federal Test Procedure) than the comparable standard gasoline engine, while matching power and torque. With turbocharging, we can have some huge gains, we can downsize the engine and produce very big power. —Sal Scuderi.

Engine 199

Engine Fuel Hybrid Downsizing 199

Green Car Congress

JANUARY 11, 2010

US small car sales—combined B- and C-segments—grew from about 14% of the market in 2004 to more than 21% now. “People downsize cars, not expectations. Customers are increasingly making decisions to downsize driven by lifestyle and fuel economy. Ford’s “Focus” on the C-Segment.

Ford 199

Ford Engine Global Market 199

Green Car Congress

DECEMBER 20, 2009

The more efficient combustion engine technologies, with their enabling of downsizing, come in compatibly with hybridization, with hybridization and electrification playing a larger role over time. The further downsized next-generation technologies can be very synergistic within hybrid applications. Planning background.

Fuel Economy 186

Fuel Economy Economy Ford Downsizing 186