Remove 2015 Remove Diesel Remove Ozone
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York study: Less traffic in first UK lockdown reduced NO2 pollution but caused increase in surface ozone

Green Car Congress

Less traffic on the roads during the first COVID-19 lockdown in the UK led to a reduction in air pollution but may have caused potentially damaging surface ozone levels to rise, according to a new study led by researchers at the University of York. The problem is being created by the change in chemistry between NO x and O 3.

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Study finds propane school buses significantly decrease NOx emissions compared to diesel

Green Car Congress

According to a study commissioned by the Washington, DC-based Propane Education & Research Council (PERC), NO x emissions measured from propane autogas school buses were substantially lower than those measured from diesel school buses. For the stop-and-go route, NO x emissions were 34 times higher for the diesel school bus.

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CARB fines Del Monte $2M for violations of OGV at Berth regulation

Green Car Congress

The At-Berth Regulation is a critical tool for CARB to cut harmful toxic diesel emissions from ships docked in California ports, and we hope this penalty will send a message that violators will pay a hefty price if they fail to comply. The goal of CARB’s At-Berth Regulation is to reduce diesel emissions from ocean-going vessels (OGVs).

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Republic Services deploying 23 CNG waste and recycling trucks in Twin Cities area

Green Car Congress

The new CNG fleet will replace older diesel powered trucks. Nationwide, the company plans to have more than 3,100 trucks nationwide running on natural gas and other alternative fuels by the end of 2015. Waste and recycling company Republic Services, Inc. Natural gas fueling stations enable CNG trucks to fuel during non-peak hours.

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Study uncovers role of longer-chain unburned hydrocarbon emissions from diesels in London air pollution; calls for regulatory shift

Green Car Congress

The study found that 60% of the winter primary hydrocarbon hydroxyl radical reactivity in London is from those diesel-related hydrocarbons; the authors predicted that the longer-chain HCs contribute up to 50 % of the ozone production potential in London. —Dunmore et al. Dunmore et al.

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California ARB Seeks Further Reductions of Diesel Emissions at State Rail Yards

Green Car Congress

Additional diesel PM reductions in 18 major CA railyards with five new locomotive measures. While we are pleased to have already reduced diesel emissions at the rail yards, it’s not enough. Accelerating the introduction of cleaner new Tier 4 interstate line-haul locomotives to operate in California and other western states (2015-2025).

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ARB releases proposed cap-and-trade regulation for comment; transportation fuels impacted in 2015

Green Car Congress

The program will expand in 2015 to include fuel distributors to address emissions from combustion of transportation fuels and combustion of natural gas and propane at sources not covered in the first phase of the program. Offset Protocols.

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