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JEFFERSON CITY, Mo. (AP) -

A proposed rule allowing the sale of gasoline with a 15 percent ethanol blend has been on hold since last October when it was temporarily blocked by a Missouri legislative committee.

To permanently stop the rule, the full Legislature would need to pass a resolution by Monday. But that isn't going to happen, meaning the ethanol rule will again be on track to tack effect.

It's unclear how many Missouri gas stations will offer E15. Their trade association has raised concerns that it could damage some vehicles, although the federal Environmental Protection Agency has approved it for models from 2001 onward.

Missouri law currently requires most gasoline to contain 10 percent ethanol.

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