would amend the CAA to modify the definition of "renewable biomass" under the renewable fuel program.

which would prevent catastrophic failure or shutdown of remote diesel power engines due to emission control devices, was passed by the Senate.

would amend the CAA to create a national zero emission vehicle standard.

would amend the CAA to create a national zero emission vehicle standard.

would direct the Administrator of EPA to issue a final rule adding as a class all per- and polyfluoroalkyl substances with at least one fully fluorinated carbon atom to the list of hazardous air pollutants under §112(b) of the CAA.

would reauthorize the diesel emissions reduction program.

would direct the Administrator of EPA to set a health-protective numerical emission limitation for hydrogen cyanide under §112 of the CAA.

would reauthorize the diesel emissions reduction program.

would repeal §115 of the CAA.