Web6 Mar 2012 · Actually, the clean air benefits happen in the summer when the volatility is decreased. Summer gas has an RVP around 7.6 to 9.0. Winter gas has a RVP of 13.0. Lower RVP gas has a higher energy density and costs more to refine. During the winter when ozone formation is not as much of a problem, the lowered RVP requirements are relaxed. Weblow in the gasoline, or the overall RVP of the blend will be too high. That is the primary difference between winter and summer gasoline blends. Winter gasoline blends are phased in as the weather gets cooler. September 15th is the date of the first increase in RVP, and in some areas the allowed RVP eventually increases to 15 psi. This has two

Winter gasoline is less fuel efficient than summer gasoline

Web7 Oct 2008 · Thermostat was 23 day, 19 night last winter but am trying 21/17 this year. Don't have individual months usage only 7 month period March - October. Just wondered if … Web2 Feb 2016 · To combat this, fuel companies release a summer and winter diesel blend, which can resist temperatures of -5°C and -15°C respectively. So, given that neither fuel is massively impacted by cold weather, it’s clear that the fuel economy dilemma doesn’t rest with the liquid itself — but with the effect that the cold has on the mechanics of the car. hal lindsey hebrews

Ratio between winter and summer usage - MoneySavingExpert Forum

Web26 Aug 2024 · California has a 7.0-psi limit, which drops to 6.9 psi for nonoxygenated fuels. The Golden State’s perpetual summer weather means summer-grade low-RVP gasoline must be sold starting as early as April 1 and as late as October 31. Other U.S. cities such as Phoenix extend summer-grade fuels into the fall. WebGas Usage and Temperatures Gas Usage per week Based on our domestic usage of gas, measured each week, showing the seasonal variation, as we use gas for domestic water heating only during the summer, but for both water and central heating in the other months. Web18 Jun 2024 · Another benefit is a slight fuel-economy boost. That’s because refiners alter their gasoline and diesel formulations depending on the season, and summer gasoline … bunny sushi rolls