article thumbnail

New split-cycle concept to control diesel HCCI combustion

Green Car Congress

Ettore Musu from the University of Pisa presented a CFD study of concept at the SAE 2010 Powertrains, Fuels and Lubricants Meeting in San Diego. Pollutant emission behavior vs. engine speed.confirms the validity of the HCPC combustion concept. Emissions are almost independent of the engine speed.

Concept 318
article thumbnail

FedEx Converts 92 Delivery Trucks to Hybrids, Expanding Hybrid-Electric Fleet by 50%

Green Car Congress

The standard FedEx trucks used in the retrofit program were 2000 or 2001 models with 300,000 to 500,000 miles driven. An added benefit of the conversion program is that it not only reduces pollution but also extends the life of the vehicles, helping to eliminate waste production and creating a reduce-and-reuse program.

Convert 170
article thumbnail

FedEx boosts fleet with hybrid-electric trucks

Green Cars News

These standard trucks used in the retrofit programme were models from 2000 or 2001 with 300,000-500,000 miles on the clock. The aim of the conversion programme is not only to reduce pollution but also to extend the life of the vehicles, helping to eliminate waste production. The powertrain equipment was replaced with a Cummins 6.7l

Fleet 36
article thumbnail

Achates OPGCI project targeting 50% fuel efficiency gains over downsized GDI engine at reduced cost

Green Car Congress

Brake specific fuel consumption (BSFC) of 267 g/kWh was measured at the 2000 rpm-2bar BMEP global test point. bar was measured at 2000 rpm, with 17.4 The project will result in two purpose-built OPGCI engines: a single-cylinder version to be tested at Argonne, and a multi-cylinder version to be tested at Achates in San Diego.

article thumbnail

Devil in the Details: World Leaders Scramble To Salvage and Shape Copenhagens UNFCCC Climate Summit

Green Car Congress

Jacobson first showed in 2000 that black carbon was the second-leading cause of global warming after carbon dioxide in terms of radiative forcing and, in 2002, that its control would be the most effective method of slowing warming. ºC in 2050, as compared to 2000 temperatures. Earlier post.) ºC in 2020, and 2.3

Climate 236
article thumbnail

PPIC Survey Finds Californianss Support for Policies to Curb Warming Slips With Economy and Budget Crisis; Partisan Split Widens

Green Car Congress

Twenty-three percent describe regional air pollution as a big problem, an 11-point drop since last year (34%) and the smallest percentage since PPIC began asking the question in June 2000. Among racial/ethnic groups, the percentage of Latinos who say air pollution is a big problem is down 15 points (30% today, 45% 2008).

Economy 170