Refineries produce a more expensive fuel blend during the summer to cut down on smog during hot months. Stations nationwide will start selling a less-expensive winter fuel usually by mid September, which on average means that winter gasoline is less expensive than summer gasoline.
EPRINC’s Updated Primer on Gasoline Blending
EPRINC’s popular 2009 Primer on Gasoline Blending has been updated and extensively revised to take account of new fuel specifications and national biofuel requirements. The updated primer can be found below.
A Primer on Gasoline BlendingRead More