Class Gas Ozone Pollution 
Green Car Congress
JULY 24, 2020
million US Department of Energy (DOE) grant to demonstrate a pre-production Renewable Natural Gas (RNG) hybrid 4,300 hp line-haul locomotive. In several weeks, OptiFuel will start taking orders, in 49 of the US states, for a new line of affordable 800 hp to 3,200 hp, 100% natural gas freight and transit locomotives. g/bhp-hr of PM.
Green Car Congress
APRIL 13, 2023
The proposal retains the proven regulatory design of previous EPA standards for light-duty vehicles, but leverages advances in clean car technology to further reduce both climate pollution and smog- and soot-forming emissions. Together, the proposals would reduce oil imports by approximately 20 billion barrels.
Green Car Congress
JANUARY 28, 2014
Five technology paths for very-low-NO x and GHG emissions from heavy-duty natural gas engines. The “Pathways to Near-Zero-Emission Natural Gas Heavy Duty Vehicles” report, authored by GNA on behalf of Southern California Gas Co. Click to enlarge. Click to enlarge. Background. Click to enlarge.
Green Car Congress
MAY 17, 2020
The program determines the environmental balance of vehicles with different size classes and powertrains, and presents the results in comparative graphics. Deterioration of the ozone layer [kg CFC-11-eq.]. When, Where and How can battery-electric vehicles help reduce greenhouse gas emissions? (in in review).
Green Car Congress
MAY 12, 2017
Recent studies have compared emissions of PFI and GDI vehicles, including particle number and mass, gaseous pollutants, and nonmethane organic gas (NMOG) composition for a limited number of compounds. Measurements include gas- and particle-phase emissions, particle number, particle size distributions, and speciated NMOG emissions.
Green Car Congress
MAY 5, 2016
This is the first large-scale demonstration of zero-emission Class 8 trucks that involves major manufacturers, including BYD, Kenworth, Peterbilt (both Paccar companies) and Volvo. The SCAQMD is the air pollution control agency for Orange County and major portions of Los Angeles, San Bernardino and Riverside counties.
Green Car Congress
FEBRUARY 11, 2014
The California Air Resources Board released the draft proposed first update to the AB 32 Scoping Plan, which guides development and implementation of California’s greenhouse gas emission reduction programs. Heavy-duty vehicle NO x reductions are an essential part of reducing criteria pollutants by 90% by 2032 in extreme nonattainment areas.
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