The Environmental Protection Agency has issued a clarification in response to claims that it is proposing a ban on converting road vehicles into race cars. The Specialty Equipment Market Association (SEMA) issued a statement on Monday indicating its intention to fight an EPA proposal to change the wording to the Clean Air Act as it applies to the installation of aftermarket parts that might circumvent stock emission-control devices. But in a separate statement released to the media today, the EPA said that the proposed change is merely intended to clean up the wording of an existing law: "People may use...