0000950123-11-056144 S-1 3 20110603 20110602 CLEAN DIESEL TECHNOLOGIES INC 0000949428 3564 061393453 DE 1231 S-1 33 333-174680 11889646 4567 TELEPHONE ROAD SUITE 206 VENTURA CA 93003 805 639 9458 4567 TELEPHONE ROAD SUITE 206 VENTURA CA 93003 S-1 1 v59644sv1.htm FORM S-1 EX-23.1 2 v59644exv23w1.htm EX-23.1 GRAPHIC 3 v59644v5964401.gif GRAPHIC