Cost Of Exhaust Gas Ozone 
Green Car Congress
JANUARY 15, 2021
At cruising altitude, airplanes emit a steady stream of NO x into the atmosphere, where the chemicals can linger to produce ozone and fine particulates. SCR systems would reduce NO x emissions at the cost of increased aircraft weight and specific fuel consumption due to the pressure drop in the core stream induced by the catalyst.
Green Car Congress
FEBRUARY 5, 2020
NO x is a precursor for both ground level ozone and secondary PM 2.5 It is important to state that there are several technology paths to achieve these levels of emissions, and some of them can simultaneously lower greenhouse gas emissions, such that the NO x reductions do not compete with the CO 2 reductions.
Blink Charging
NOVEMBER 28, 2023
Many school districts use diesel buses for fuel efficiency, but even diesel exhaust was classified as a known carcinogen to humans in 2012. Electric school buses do not emit harmful greenhouse gas emissions, so their adoption supports healthier air. Eliminating ICE buses will go a long way toward making schools healthier for students.
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.
Green Car Congress
SEPTEMBER 26, 2009
Total cost of those five measures is estimated to be $3.9 BNSF has been operating four liquefied natural gas yard locomotives in downtown Los Angeles since the mid-1990s. BNSF has been operating four liquefied natural gas yard locomotives in downtown Los Angeles since the mid-1990s. NO x helps create ground-level ozone, or smog.
Green Car Congress
SEPTEMBER 14, 2015
California’s and, potentially, EPA’s move toward further heavy-duty NO x reductions to meet National Ambient Air Quality Standards for ozone will be critical. The DOE should continue to explore how the United States might use its abundant petroleum, natural gas, and biofuel resources in the most efficient manner.
Green Car Congress
OCTOBER 23, 2012
Contribution of gasoline and diesel exhaust to SOA over 0% to 50% diesel fuel use. The study determined that, depending on a region’s fuel use, diesel exhaust is responsible for 65% to 90% of vehicular-derived SOA, with substantial contributions from aromatic and aliphatic hydrocarbons. Gentner et al. Click to enlarge. Earlier post.).
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