Tag Archive: refining

An Updated Guide to EPA’s Tier 3 Gasoline Sulfur Standards

January 5, 2020 , , , , ,

January 5, 2020 by Mike Leister and E.J. Ledet Effective January 1, 2017, the U.S. Environmental Protection Agency (EPA) began requiring all U.S. gasoline to meet an annual 10 parts per million (ppm) average sulfur requirement as part of its new Tier 3 vehicle and fuel regulations. (Stillwater wrote a quick guide to Tier 3 back then, and it’s still...
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California’s Fossil Fuel “Sin Tax”

April 16, 2019 ,

April 16, 2019 By John Faulstich With the recent increase in gasoline prices in California (the retail gas price average just bumped up over $4 per gallon) and renewed interest in this subject, we thought it timely to present an overview of the major components of what goes into the price of gasoline at the pump. The U.S. Energy Information...
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