Remove Clean Remove Exhaust Remove Ozone Remove Standards
article thumbnail

California adopts comprehensive strategy to meet federal ozone standard over next 15 years

Green Car Congress

The California Air Resources Board today approved a statewide plan for attaining the federal health-based standard for ozone, typically experienced as smog. The 2022 State Implementation Plan Strategy identifies the state’s control strategy for meeting the federal 70 parts per billion, 8-hour ozone standard over the next 15 years.

Ozone 195
article thumbnail

Study links ambient PM2.5 and ozone specifically caused by vehicle exhaust emissions to ~361,000 premature deaths worldwide in 2010 and ~385,000 in 2015

Green Car Congress

and ozone deaths, associated mortality rates, and population in G20 economies in 2015. and ozone worldwide in 2010 and ~385,000 in 2015, equivalent to 11.7% and ozone premature deaths in 2010 and 11.4% and ozone concentrations from transportation emissions resulted in 7.8 Transportation-attributable PM 2.5 Together, PM 2.5

Ozone 230
article thumbnail

US EPA proposes San Joaquin Valley, South Coast, Southeast Desert as failing to meet one hour ozone air standard

Green Car Congress

The US Environmental Protection Agency announced that it is proposing to find that the San Joaquin Valley, and California’s South Coast and the Southeast Desert have failed to meet the 1-hour ozone standard by their required deadlines. Children and the elderly are most impacted by ozone pollution.

Ozone 186
article thumbnail

Study Finds Ozone Concentrations at Current Clean Air Standards Levels Can Impair Even Healthy Lungs

Green Car Congress

Exposure to ozone at levels currently deemed safe by the NAAQS clean air standards can have a significant and negative effect on lung function, according to researchers at the University of California, Davis. The previous primary and secondary standards were identical 8-hour standards, set at 0.08 Earlier post.).

Ozone 186
article thumbnail

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

Ozone 236
article thumbnail

EPA to begin work on proposed rulemaking for on-road heavy-duty ultra-low NOx standard for MY 2024

Green Car Congress

Earlier this year, the US Environmental Protection Agency (EPA) received several petitions from state and local government agencies from across the country and other organizations to increase the stringency of the on-highway heavy-duty engine NO x emission standards from 0.2 grams per brake horsepower-hour (g/bhp-hr) to 0.02

EPA 150
article thumbnail

HEI ACES study of lifetime animal exposure to New Technology Diesel Engine exhaust finds no lung cancer

Green Car Congress

The first study to conduct a comprehensive evaluation of lifetime exposure to new technology diesel exhaust (NTDE)—i.e., exhaust from heavy-duty diesel engines meeting EPA 2007 and later emissions requirements—has found no evidence of carcinogenic lung tumors. Earlier post.) This phase was conducted at SwRI in 2012.

Exhaust 150