The banning of antismog additive MTBE (methyl tertiary-butyl ether) presented a new challenge.
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Also helping the business are environmental mandates (depending on where it is sold, some gasoline must contain up to 10% ethanol as an antismog measure) and energy independence mandates.
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3.
Also helping the business are environmental mandates (depending on where it is sold, some gasoline must contain up to 10% ethanol as an antismog measure) and energy independence mandates (national use of ethanol must meet certain minimums by various deadlines).