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EPA proposes approval of new ozone plans for the two of the worst Air Quality Zones in US: California’s San Joaquin Valley and South Coast

Green Car Congress

US EPA Region 9 8-hour ozone trends, 1979-2000. These State Implementation Plans (SIPs) are the roadmaps to meeting the 1997 8-hour ozone National Ambient Air Quality Standards (NAAQS) of 0.08 In 1997, EPA first established the 8-hour ozone standard, which replaced the older 1-hour ozone standard (0.12 Source: EPA.

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NOAA, partners find about 98% decline in VOCs concentrations in LA Basin over last 50 years despite 3x increase in use of gasoline and diesel

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In California’s Los Angeles Basin, levels of volatile organic compounds (VOCs) pollutants have decreased by about 98% since the 1960s, even as area residents now burn approximately three times as much gasoline and diesel fuel. —lead author Carsten Warneke, Ph.D.,

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Reduction in diesel carbonyl emissions using F-T fuel from coal

Green Car Congress

Other research has shown that carbonyls directly influence physiological response to diesel exhaust particles and can also contribute to secondary organic aerosol formation. Jakober, 2008). lower ozone formation potential of the carbonyl compounds present than DF under the identical operating conditions. CFT had 16.5–44.1%

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San Joaquin Valley receives $12.9M from CARB for clean trucks

Green Car Congress

Heavy-duty trucks, such as the ones targeted under this funding, are the single largest source of NO x and diesel PM in the Valley, and are critical to ensuring that goods are moved throughout the State and nation. The District is currently working on reaching attainment for the federal 8-hour ozone and PM 2.5 standards.

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California ARB Expands Assistance Program for Truckers to Reduce Diesel Emissions

Green Car Congress

The changes made to the statewide Voucher Incentive Program, also known as the VIP, will make funding available to a larger variety of trucks that will help owners comply early with the statewide truck and bus regulation passed in 2008. VIP is part of the state’s overall plan to cut toxic diesel emissions 85 percent by 2020.

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US EPA Reports National Trends Show Improvements in Air Quality

Green Car Congress

Since 1990, nationwide air quality has improved significantly for the six common air pollutants: ground-level ozone; particle pollution; lead; nitrogen dioxide; carbon monoxide; and sulfur dioxide, according to the US Environmental Protection Agency (EPA) report “Our Nation’s Air - Status and Trends through 2008”. annual PM 2.5

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Study finds marine workboat engines staying in service two times longer than estimated by EPA; emissions reduction implications

Green Car Congress

Commercial workboat engines are staying in service more than two times longer than predicted by the US Environmental Protection Agency (EPA), according to new research from the Diesel Technology Forum (DTF) and Environmental Defense Fund (EDF). This report underscores that more, older engines remain in service today.

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