Quote:
Originally Posted by MichiganMike
Do you run a standard on your instrument before running your sample? What instrument do you use again?
Race gas (ie Sunoco at Thunderhill or Infineon) is at ~10.0% Ethanol in the state of CA. Its only ethanol-free if you purchase it in 55 gall drum or small gallons from a supplier for offroad purposes only, such as for dirtbikes, ATVs, etc. Even then you need to sign your name for it along with proper paperwork!
CA has only had 10% ethanol since Jan 2010. It was at 5.7% for many years before that.
The current CA State policy:
http://www.arb.ca.gov/fuels/gasoline/082908CaRFG_regs.doc
Look up section 2262.6 if you are interested.
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Here is a link for the tester if you are interested--simple to use.
Order page - Ethanol Alcohol Fuel Test Kit.