Reid vapor pressure


Also found in: Acronyms.

Reid vapor pressure

[′rēd ′vā·pər ‚presh·ər]
(engineering)
A measure in a test bomb of the vapor pressure in pounds pressure of a sample of gasoline at 100°F (37.8°C).
References in periodicals archive ?
Lindemer LLC, examined the impact of the potential closure of the three refineries in Southeast Pennsylvania, which were supplying low Reid Vapor Pressure to the Pittsburgh Region, on top of already tight supplies of complying gasoline.
ETBE has a lower Reid vapor pressure (Rvp) than ethanol blends and has performance advantages as well.
California Phase 2 Gasoline sets eight gasoline specifications including Reid Vapor Pressure, sulfur, olefin, aromatic hydrocarbon and benzene levels, and boiling point temperatures to reduce tailpipe emissions of toxics and ozone-forming nitrogen oxides and hydrocarbons.
Unocal's research recognized that emissions of nitrogen oxide, carbon monoxide and hydrocarbons can be reduced by altering distillation boiling points, Reid Vapor pressure, or the olefin, aromatic or paraffin content of the gasoline.
Additionally, federal measures, including tighter tail pipe standards and lowered Reid Vapor Pressure of gasoline, significantly reduced emissions of pollutants that form ozone.
EPA approved a State Implementation Plan revision submitted by the State of Arizona, establishing a summertime gasoline Reid Vapor Pressure (RVP) limit of 7.
This will allow refiners and marketers more flexibility, would increase the demand for ethanol and can be done without a one pound Reid Vapor Pressure (RVP) waiver.
The Reid Vapor Pressure (RVP) of summer-time EC-1 will be lowered by one pound per square inch (PSI) below the current standard to reduce evaporative emissions.