01313oam 2200397 450 991070446400332120130715083915.0(CKB)5470000002441054(OCoLC)843118485(EXLCZ)99547000000244105420130515d2010 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierClean agriculture USA cleaner air over greener fields /National Clean Diesel Campaign[Washington, D.C.] :EPA, National Clean Diesel Campaign,2010.1 online resource (2 unnumbered pages) color illustrationsTitle from title screen (viewed on May 15, 2013)."August 2010.""EPA-420-F-10-017."Clean agriculture USA AgricultureEnvironmental aspectsUnited StatesFarm equipmentEnvironmental aspectsAgricultureEnvironmental aspectsFarm equipmentEnvironmental aspects.National Clean Diesel Campaign (U.S.),ELCELCOCLCOGPOBOOK9910704464003321Clean agriculture USA3449029UNINA