The Environmental Protection Agency
(EPA) exercised its authority under the Clean Air Act to
temporarily waive clean gasoline requirements for gasoline sold
and distributed in Louisiana, Mississippi, Alabama, Georgia,
Florida, Tennessee, South Carolina and North Carolina, the US
agency said Wednesday.
The EPA, which said the waiver had been requested by
governors in those states, cited a disruption in fuel supply
from Gulf-area refineries following Hurricane Isaac
Administrator Lisa P. Jackson determined that extreme and
unusual supply circumstances exist, which could result in
a temporary shortage of gasoline compliant with federal
The federal waiver will help ensure an adequate supply of
gasoline in the impacted states until normal supply to the
region can be restored, the EPA says.
The waiver applies to the use of low Reid Vapor Pressure
(RVP) summer gasoline for the remainder of the
high-ozone period, which ends on Sept 15.
Due to a number of continuing refinery outages caused by Hurricane
Isaac, and the slower-than-expected-pace of restarts of other
Gulf-area refineries, EPA determined that there would not be an
adequate supply of summertime gasoline for these states through
The waiver allows available supplies of higher RVP
winter gasoline to be used prior to the end of the
high-ozone period, in order to prevent a gasoline supply
shortfall in these states.
States bordering on this area are projected to have sufficient
supplies of compliant summertime fuel through the end of the
high ozone period in two weeks, and no shortages are expected
However, EPA said it will continue to actively monitor fuel
supplies in these areas, and will act if needed to prevent a
Last week, the EPA granted a 10-day waiver to Louisiana alone as
Isaac made landfall.