Back in 2004, several automakers got together to create a more pure form of gasoline to meet strict standards set by the U.S. Environmental Protection Agency (EPA), now known as Top Tier gasoline.
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Contaminated fuel tanks will need to be cleaned, scrubbed, vacuumed before customers pump again
Before lower-grade gas pumps can be used again, companies like Tank Cleaning Industrial will have to clean them out.
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