Clean Diesel Technologies to Present at the Commerzbank Growth & Responsibility 2007 Conference.

STAMFORD, Conn. -- Clean Diesel Technologies, Inc. (EBB:CDTI, XETRA:CDI, AIM:CDT) announced today that it will present at the Commerzbank Growth & Responsibility 2007 Conference in Frankfurt on Thursday, March 15th, 2007 at 11.45 a.m. Presenting for Clean Diesel Technologies will be Dr. Bernhard Steiner, President and Chief Executive Officer.

Clean Diesel Technologies, Inc. is a clean energy and environmental technology company supplying proprietary pollution control systems technologies to reduce harmful emissions from internal combustion engines while improving fuel economy, resulting in "cleaner air" and reduced "greenhouse gas" emissions. The Company has four main technology areas: Platinum Plus[R] fuel-borne catalysts for emission control and fuel economy improvement in diesel engines; ARIS[R] selective catalytic reduction (SCR) technology for control of nitrogen oxide (NOx) emissions from diesel engines; catalyzed wire mesh diesel particulate filters to reduce particulate matter and other regulated engine emissions; and Biofuels technology, which includes the low emission Biodiesel Plus[TM] formula.

Certain statements in this news release constitute "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Such forward-looking statements involve known or unknown risks, including those detailed in the Company's filings with the US Securities and Exchange Commission, uncertainties and other factors which may cause the actual results, performance or achievements of the Company, or industry results, to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof.