يكون للكلمات والمصطلحات التالية عند استخدامها في هذا الفصل المعاني التالية ما لم يدل السياق بوضوح على خلاف ذلك:

"ASTM D4806-16a D4806-21a" means the Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel published by ASTM International in February 2016 October 2021.

"ASTM D4814-16a D4814-24a" means the Standard Specification for Automotive Spark-Ignition Engine Fuel published by ASTM International in February 2016 July 2024.

"psi" تعني رطل لكل بوصة مربعة.

"Volatility class A" means fuel with a vapor pressure and distillation designation of "A" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-16a D4814-24a.

"Volatility class B" means fuel with a vapor pressure and distillation designation of "B" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-16a D4814-24a.

"Volatility class C" means fuel with a vapor pressure and distillation designation of "C" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-16a D4814-24a.

"Volatility class D" means fuel with a vapor pressure and distillation designation of "D" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-16a D4814-24a.

"Volatility class E" means fuel with a vapor pressure and distillation designation of "E" set forth in Table 1 Vapor Pressure and Distillation Class Requirements of ASTM D4814-16a D4814-24a.

When gasoline is blended with ethanol, the ethanol shall meet the requirements of ASTM D4806-16a D4806-21a and the blend shall meet the requirements of ASTM D4814-16a D4814-24a, with following permissible exceptions:

1. For blends containing nine to 10 volume percent ethanol, the maximum vapor pressure shall not exceed the ASTM D4814-16a D4814-24a limits by more than 1.0 psi during the period of June 1 through September 15.

2. For blends containing one or more volume percent ethanol for volatility class A, B, C, or D, the maximum vapor pressure shall not exceed ASTM D4814-16a D4814-24a limits by more than 1.0 psi during the period of September 16 through May 31.

3. For blends containing one or more volume percent ethanol for volatility class E, the maximum vapor pressure shall not exceed ASTM D4814-16a D4814-24a limits by more than 0.5 psi during the period of September 16 through May 31.

المواصفات القياسية لوقود محرك سبارك-إنجنيشن للسيارات، ASTM D4814-16a، فبراير 2016 ، ASTM International, P.O. Box C700, West Conshohocken, PA 19428, www.astm.org

Standard Specification for Automotive Spark-Ignition Engine Fuel, ASTM D4814-24a, July 2024, ASTM International, P.O. Box C700, West Conshohocken, PA 19428, www.astm.org

المواصفة القياسية لمواصفات وقود الإيثانول المشوه للإيثانول المشوه لخلطه مع البنزين لاستخدامه كوقود محرك شرارة الوقود للسيارات، ASTM D4806-16a، فبراير 2016 ، ASTM International, P.O. Box C700, West Conshohocken, PA 19428, www.astm.org

Standard Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel, ASTM D4806-21a, October 2021, ASTM International, P.O. Box C700, West Conshohocken, PA 19428, www.astm.org