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EPA proposes strengthening primary annual NAAQS for PM2.5

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standard from its current level of 12.0 standard; primary and secondary 24-hour PM 2.5 standards; and. primary and secondary PM 10 standards. standard; primary and secondary 24-hour PM 2.5 standards; and. primary and secondary PM 10 standards. annual average standards with levels of 12.0

EPA 273
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Cleaner fuels have replaced more than 3B gallons of diesel under California Low Carbon Fuel Standard

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New 2018 data from the California Air Resources Board (CARB) indicates that the state’s Low Carbon Fuel Standard (LCFS) continues to drive production of a growing volume of cleaner transportation fuels for California consumers. The standard provides consumers with a growing variety and volume of cleaner fuels. To date almost 3.3

Cleaner 207
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Clean-air plan for San Joaquin Valley first to meet all federal standards for fine particle pollution; $5B in incentive funding required

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The California Air Resources Board (CARB) has adopted a plan that demonstrates to the US Environmental Protection Agency how the San Joaquin Valley air basin will attain each of four federal standards for fine particulate matter by regulatory deadlines. Deadlines for attaining these standards are 2020, 2024 and 2025, respectively.

Pollution 191
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US EPA extends E15 fuel waiver to MY 2001-2006 light-duty vehicles

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The US Environmental Protection Agency (EPA) waived a limitation on selling gasoline that contains more than 10% ethanol for model year (MY) 2001 through 2006 passenger vehicles, including cars, SUVs, and light pickup trucks. Data from DOE testing of MY2001-2006 vehicles is available in EPA Docket #EPA-HQ-OAR-2009-0211 at www.regulations.gov.

2001 199
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ICCT paper suggests new supersonic aircraft unlikely to comply with existing environmental standards for subsonic aircraft

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earlier post ) are unlikely to comply with existing international environmental standards for subsonic aircraft. A noise assessment concludesd that emerging SSTs are likely to fail current (2018) and perhaps even historical (2006) landing and takeoff noise standards. Results varied by seating class, configuration, and route.

Standards 170
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CARB: clean fuels replaced more than 50% of diesel used in California in Q1 2023

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California’s Low Carbon Fuel Standard (LCFS), which requires fuel producers to reduce the carbon intensity of fuel sold in the state, is largely responsible for the shift by encouraging the use and production of cleaner alternatives.

Clean 367
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EPA proposes updates to annual PM2.5 national air quality standard

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The US Environmental Protection Agency (EPA) proposed updates to its national ambient air quality standards (NAAQS) for harmful fine particle pollution (PM 2.5 ). EPA’s proposal would strengthen the annual health standard for PM 2.5 The current annual standard is 15 µg/m 3 , which has been in place since 1997. Source: EPA.

EPA 257