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GISS study finds applying stricter non-CO2 vehicle emission standards worldwide would yield climate benefits in addition to major health and agricultural benefits

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vehicle emissions under the baseline scenario (a) and the difference between the tight-standard and baseline scenarios (b). However, these standards will not reduce CO 2 emissions, which is required to mitigate long-term climate change, the team notes. million metric tons of avoided ozone-related yield losses of major food crops; $US0.6-2.4

Climate 231
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Ford researchers report detailed study of the effect of different ethanol blend levels on emissions from FFVs

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The chemistry of a fuel impacts the emissions from an engine, with the most obvious example being unburned or partially burned fuel which is a major component of engine exhaust. Engine-out exhaust contains typically 1?3% via the unburned or partially burned fuel which is a major component of engine exhaust. —Hubbard et al.

Emissions 294
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ICCT finds growth in shipping in Arctic could increase pollutant emissions 150-600% by 2025 with current fuels

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Comparison of the potential reduction in emissions with the application of lower sulfur 0.5% MARPOL Annex VI sets limits on NO x and SO x emissions from ship exhaust, and prohibits deliberate emissions of ozone-depleting substances. fuel for Arctic vessels assuming a low-growth scenario. Source: ICCT. Click to enlarge.

Pollution 150
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Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

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During the early 1900s, a distillery was a standard piece of farm equipment. 80.28, “applicable standard” means: 9.0 80.27, “high ozone season” means the period from June 1 to September 15 of any calendar year and “regulatory control period” means the period from May 1 to September 15 of any calendar year. 40 CFR § 80.27

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OptiFuel finalizing $2.6M DOE grant to demonstrate RNG hybrid line-haul locomotive

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The rail sector is the only transportation modality without significant emissions related development that is feasible in the near-term to eliminate ozone, smog and GHG emissions, OptiFuel says. In comparison, OptiFuel’s 4,300 RNG hybrid line-haul locomotive is expected to emit 0.04 g/bhp-hr of NOx, a reduction of 400 times.

Grant 243
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Study finds fleet switch from PFI to GDI engines will result in net reduction in global warming

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We use the data to quantify the effects of engine technology, emission standards, and cold-start on emissions. We estimate ozone and SOA formation potential. All the vehicles were tested using commercial gasoline that met the summertime California fuel standards. —Saliba et al. of the data. of the data. Click to enlarge.

Fleet 207
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Study finds climate impact of long distance trip can vary by factor of 10 depending upon mode, efficiency and occupancy

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The envelope around the medium aircraft indicates one standard deviation uncertainty; otherwise uncertainties are indicated by selected bars at medium occupancy. For cars the Euro 4 emissions standard is used. The left/right whisker indicates one standard deviation uncertainty for the lower/upper variant. Click to enlarge.

Climate 186