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EPA tightens ground-level ozone standard to 70 ppb

Green Car Congress

issued its final rule revising the National Ambient Air Quality Standards (NAAQS) for ground-level ozone to 70 parts per billion (ppb) from 75 ppb to protect public health. Ground-level ozone forms when nitrogen oxides (NO x ) and volatile organic compounds (VOCs) react in the air. billion nationwide, except California.

Ozone 150
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EPA proposes tightening primary ozone standards to range of 65-70 ppb; final rule by October 2015

Green Car Congress

Counties where measured ozone is above proposed range of standards, based on 2011-2013 monitoring data. Earlier this year, EPA staff had recommended the further reduction of this primary ozone standard from the current 75 ppb (parts per billion) to a revised level within the range of 70 ppb to 60 ppbā€”and preferably below 70 ppb.

Ozone 273
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MECA report finds additional NOx emission reductions from new heavy-duty trucks achievable and cost-effective

Green Car Congress

NO x is a precursor for both ground level ozone and secondary PM 2.5 While the cost of new heavy-duty trucks has increased at approximately 1% per year, the cost of emission controls has come down, representing a lower percentage of the cost of a new truck.

Emissions 291
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Tata Motors and MAHLE partner to develop a prototype Secondary Loop Mobile Air Conditioning System on a vehicle

Green Car Congress

This is in contrast to the conventional mobile AC system, where the cabin air is directly cooled by the refrigerant HFC-134a, which is ozone safe but has a high GWP. The SL-MAC project is on schedule, as expected, with anticipated environmental and cost advantages to be determined in the next stages. — Dr. Stephen O.

Motors 170
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California ARB issues official notification for Feb GHG allowance auction

Green Car Congress

The California Air Resources Board (ARB) has issued its official Auction Notice for the California Cap-and-Trade Program Greenhouse Gas Allowance Auction on 19 February 2013—the second official auction. Bid quantities can only be submitted in multiples of 1,000 California. Destruction of Ozone Depleting Substances.

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Ioniq 6 review; Supercharger cuts; Toyota and Ram fuel-cell trucks: The Week in Reverse

Baua Electric

Meanwhile, California is seeking to cut the cost of home EV charging through a fixed-charge planā€”essentially a package of energy for a flat, reduced fee, with the cost even less for low-income households. Residential electricity rates throughout the nation have soared over the past couple of years.

Toyota 52