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Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

Green Car Congress

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.

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UCS analysis finds Hyundai-Kia with best sales-weighted new vehicle environmental performance in US in 2013

Green Car Congress

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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Perhaps not what you thought 

Electric Auto Association

The EPA’s regulatory framework assigns customized fleet standards to each auto manufacturer based on the footprints of its product offerings. If an automaker sells a relatively high number of large vehicles, its fleet is assigned a fleet standard that is easier to achieve.

EPA 71
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Air Resources Board Amends Off-Road Diesel Emissions Rule to Aid Compliance

Green Car Congress

The changes to the regulation implement legislation signed by Governor Arnold Schwarzenegger in February to provide temporary relief to firms that have reduced used of their vehicles due to downsizing or work stoppage. These changes will allow the hardest-hit fleets to postpone their compliance costs until the current recession has eased.

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California ARB amends diesel rules to reduce cost of compliance

Green Car Congress

ARB staff proposed amendments to the Truck and Bus regulation and Off-Road regulation to provide relied to fleets adversely affected by the economy, and to take into account the fact that emissions are now lower than previously predicted. small fleets can extend phase-out period for oldest equipment over 10 years, from 2019 to 2029).

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ICCT: 2025 target average of 70 g/km CO2 for new cars in EU feasible and economical; more so with electric drive

Green Car Congress

Our analysis shows that a CO 2 target of 70 g/km for 2025, on average for the entire new car fleet, can be achieved with either no or only modest levels electric vehicle penetration. These individual class curves are then sales weighted to estimate fleet average compliance costs for a range of potential CO 2 standards.

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Perhaps not what you thought 

Electric Auto Association

The EPA’s regulatory framework assigns customized fleet standards to each auto manufacturer based on the footprints of its product offerings. If an automaker sells a relatively high number of large vehicles, its fleet is assigned a fleet standard that is easier to achieve.

EPA 52