would amend the renewable fuel program under CAA §211(o) to require the cellulosic biofuel requirement to be based on actual production.

would amend the CAA with respect to exceptional event demonstrations.

would prohibit the Administrator of EPA from awarding any grant, contract, cooperative agreement, or other financial assistance under CAA §103 for any program, project, or activity to occur outside the United States and its territories and possessions.

would prohibit the Administrator of EPA from awarding any grant, contract, cooperative agreement, or other financial assistance under CAA §103 for any program, project, or activity to occur outside the United States, including its territories and possessions.

would amend the Renewable Fuel Program in CAA §211(o) to allow domestic alternative fuel to be used to satisfy a portion of the required applicable volume of renewable fuel.

would prohibit the Administrator of EPA from granting a waiver under CAA §211(f)(4) for any fuel or fuel additive that will reduce fuel efficiency or cause or contribute to engine damage.

would amend the CAA to provide states increased flexibility in implementing standards through SIPs.