Remove 2009 Remove Exhaust Remove Motor Remove Ozone
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 Source: EPA.

Ozone 236
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

Chevron fined $422,500 for 3 instances of non-compliant fuels in California; ethanol, olefin and cetane issues

Green Car Congress

Details of each of the three cases are as follows: Chevron paid $205,000 for supplying more than 385,000 gallons of gasoline in violation of California reformulated gasoline regulations between mid-June 2009 and Aug. Dispensed from Chevron terminals in Sacramento and San Jose, the fuel did not contain adequate amounts of ethanol.

Chevron 230
article thumbnail

Perspective: US Needs to Transition to Hydrous Ethanol as the Primary Renewable Transportation Fuel

Green Car Congress

Since the 1973 oil crisis, a plethora of books and instruction manuals have been published in the US on the subject of how to build small stills to produce inexpensive 192-proof alcohol (hydrous ethanol) to be used to blend with gasoline in motor vehicles. Until fairly recently, these US motor vehicles were non-FFVs. 40 CFR § 80.27