Green Car Congress

FEBRUARY 1, 2009

The pneumatic hybrid engine, which follows the downsizing and supercharging paradigm, offers a fuel-saving potential that is almost equal to that of hybrid electric powertrains while inducing much lower additional mass and cost penalties, according to the ETH Zürich researchers. The compressed air supply also allows extreme downsizing.

Hybrid 199

Hybrid Engine Downsizing 2009 199

Green Car Congress

AUGUST 10, 2009

Comparison of Emission Standards (g/mi). . We see dramatic downsizing and boosting [as] something that’s going to for gasoline engines especially. To be able effectively to implement downsizing and downspeeding, good low-end torque is essential. Differentiated Analysis of Downsizing Concepts”). CA LEV US T2B2 CA SULEV.

Gasoline 150

Gasoline Diesel Engine Emissions 150

Green Car Congress

APRIL 17, 2014

Due to the lower exhaust enthalpy of lower temperature engines using PPCI, it is difficult to produce intake boost with acceptable boost system parasitis. A practical powertrain system with robust PPCI combustion is needed, including injection, valvetrain, boost, and exhaust subsystems. Earlier post , earlier post.). kWh and FSN 0.1,

Gasoline 304

Gasoline Engine Fuel Wisconsin 304

Green Car Congress

SEPTEMBER 21, 2009

Cylinder deactivation: deactivates the intake and exhaust valves and prevents fuel injection into some cylinders during light-load operation. Variable valve timing: alters the timing or phase of the intake valve, exhaust valve, or both, primarily to reduce pumping losses, increase specific power, and control residual gases.

2016 210

2016 MPG Fuel Economy EPA 210

Green Car Congress

DECEMBER 10, 2009

Comparison of fuel consumption of Omnivore, homogeneous Gasoline Direct Injection (GDI) and Spray-Guided GDI engines. The automotive industry, including Lotus Engineering, has quite rightly advocated engine downsizing for four-stroke engines. Click to enlarge. Displacement. Compression ratio. Porting arrangement.

Fuel Economy 218

Fuel Economy Engine Light Fuel 218

Green Car Congress

JULY 17, 2015

The alternative-fuel car evolved to reduce exhaust emissions and other problems derived from burning fossil fuels. The PHEV (Plug-in Hybrid Electric Vehicle), a subset of the electric car, combines a primary electric motor with a much smaller back-up engine fueled with a hydrocarbon/biofuel mix. (In CTO Efficient Drivetrains Inc.

PHEV 150

PHEV Plug-in Renewable Energy 150