Downsizing Fleet Pollution 
Green Car Congress
MAY 12, 2017
A new study quantifying emissions from a fleet of gasoline direct injection (GDI) engines and port fuel injection (PFI) engines finds that the measured decrease in CO 2 emissions from GDIs is much greater than the potential climate forcing associated with higher black carbon emissions from GDI engines. —Saliba et al. Click to enlarge.
Green Car Congress
MAY 27, 2014
For the first time since UCS began the Automaker Rankings report in 2000, all eight major automakers reduced their average greenhouse gas (GHG) and smog-forming emissions compared to their fleet averages from 1998, the model year examined in the first report.
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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.
Green Car Congress
NOVEMBER 16, 2011
The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. that are projected to require, on an average industry fleet wide basis, 49.6
Green Car Congress
NOVEMBER 8, 2011
The federal government is pushing their fleet-procurement decisions almost completely to EVs and hybrids irrespective of costs. The quickest and most cost-effective way to achieve our energy usage goals is through faster adoption of fuel-efficient downsized gasoline and diesel engines. They determined that only 3.9
Green Car Congress
APRIL 2, 2010
As part of its program, EPA is establishing a system of averaging, banking, and trading (ABT) of credits, based on a manufacturer’s fleet average CO 2 performance. Each manufacturer will have its own fleet-wide standard which reflects the vehicles it chooses it produce. mpg if all improvements came from fuel economy) and 34.1
Green Car Congress
FEBRUARY 22, 2018
The researchers assessed the gaseous, particulate, and genotoxic pollutants from two current technology gasoline direct injection vehicles when tested in their original configuration and with a catalyzed gasoline particulate filter (GPF). liter downsized turbocharged centrally-mounted direct injection engine. —Yang et al.
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