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Welcome to the Future – High Cost of Gasoline Sulfur Specification Tests Refiners, Analysts

By May 16, 2025No Comments

The price of the Tier 3 gasoline sulfur credit hit $3,600 in October, up by a factor of 10 since 2022 and roughly in line with the all-time high reached in 2019. The high price of this important credit is a direct indicator of the true cost of compliance with the Environmental Protection Agency’s (EPA) Tier 3 gasoline sulfur standard and has raised some alarm recently in refining and financial circles. In today’s RBN blog, we give some specific examples of how refiners and investment analysts are reacting. 

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