As described in §80.45(c)(2), (d)(2), and (e)(2)(i), use of the winter version of the Complex Model requires that the RVP be set to 8.7 psi for both the baseline and target fuels. Thus the valid range limits associated with RVP are irrelevant for winter gasoline. (11/10/97)
This question and answer is posted at http://www.epa.gov/otaq/regs/fuels/rfg/qa/420r03009.pdf. The original was posted in the Q&A posted on 11/10/97 which can found at http://www.epa.gov/otaq/rfg_qa.htm" See Question ID 3857 for RFG (Taken from the first question on http://www.epa.gov/otaq/regs/fuels/rfg/qa/420r03009.pdf)
The Complex Model upper limit for RVP of conventional gasoline is 11.0 psi. Will winter gasoline meeting ASTM Class C and D specifications of 11.5 psi and 13.5 psi vapor pressures be allowed?
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