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newsrel -- Greater Use of Ethanol in California

Posted: 15 Jun 2007 10:35:03
Please consider the following Air Resources Board press release
announcing the changes to the regulations guiding the processes
for refining gasoline sold in California.  You can review the
release online at: http://www.arb.ca.gov/newsrel/nr061507.htm .
Thank You
Dimitri Stanich


Release 07-22 	  	  	 
June 15, 2007 	  	

Gennet Paauwe
Dimitri Stanich
(916) 322-2990

Groundwork Begun for Greater Use of Ethanol in California's

Fresno: The California Air Resources Board (ARB) approved
changes to its reformulated gasoline regulations and the
predictive model, a tool used by oil refining companies to
formulate lower-emitting gasoline in California. Refinements to
the predictive model include the greater use of ethanol.

"Clean fuels are essential to reaching healthy air goals in
California," said ARB Chairman, Dr. Robert Sawyer. "This action
helps fuel providers develop the optimum formula for the
cleanest burning gasoline, and it allows ARB to forecast
emissions from vehicles throughout the state. The greater use of
ethanol in the formulas will also reduce global warming

The predictive model is a set of mathematical equations that
relate exhaust rates of hydrocarbons, nitrogen oxides, and
toxics to values of eight regulated properties in gasoline. This
in turn is used by refiners to assure that their fuels obtain the
required emissions reductions. This gives refiners flexibility in
meeting emission limits defined in ARB regulations.

The new predictive model better accounts for widespread use of
ethanol and will allow increased use in California's gasoline as
part of Governor's Schwarzenegger's Low Carbon Fuel Standard
(LCFS) executive order. The goal of the LCFS is to ensure that
the mix of fuel sold in California market deliver, on average,
lower greenhouse gas (GHG) emissions. By 2020, the LCFS is
expected to produce at least a 10 percent reduction in the
carbon content, replace 20 percent of our on-road fuels with
lower carbon alternatives, and more than triple the size of the
state's renewable fuels market.

For more information on the predictive model see:
For more information on the LCFS see:

The Air Resources Board is a department of the California
Environmental Protection Agency. ARB's mission is to promote and
protect public health, welfare, and ecological resources through
effective reduction of air pollutants while recognizing and
considering effects on the economy. The ARB oversees all air
pollution control efforts in California to attain and maintain
health based air quality standards.


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