Green Car Congress

AUGUST 25, 2015

A team of engineers from GM Powertrain, Ford and FCA have published a detailed review of how to estimate the engine efficiency benefits of higher octane fuel—e.g., fuel with higher ethanol content—for part- and full-load operation for different engine types and fuel assumptions. —Leone et al.

Engine 150

Engine Fuel GM Ford 150

Green Car Congress

JULY 8, 2015

Geely Auto has invested significant resources in the development and promotion of methanol-fueled engines and vehicles over a long period and has already made progress with this technology in China. The project will be followed by similar initiatives in Shanghai municipality, Jinzhong in Shanxi province, and Baoji in Shanxi province.

Renewable 150

Renewable Carbon Water Fuel 150

Green Car Congress

NOVEMBER 25, 2012

The GM/U Mich patent envisages using multiple free-piston engines (240A through 240D in the patent drawing). The covered hybrid powertrain uses the multiple reciprocating free-piston linear alternator engines to generate electric power for the battery pack or the traction motor. Click to enlarge. Patent Drawing of an FPLA.

Extended Range 400

Extended Range Plug-in Engine GM 400

Green Car Congress

AUGUST 30, 2009

The Brazilian experience shows that the presence of small (<10%) amounts of water in the fuel does not in itself cause a greater tendency to misfire in spark ignition engines than a proportionate leaning of the fuel/air mixture would do, provided that the vapor pressure of the hydrated ethanol at the ambient temperature is high enough.

Transportation 317

Transportation Fuel Renewable Gasoline-Electric 317