CDTID Clean Diesel Technologies (MM)

The NASDAQ Stock Market (Nasdaq:NDAQ) announced today that the trading in Clean Diesel Technologies, Inc. (Nasdaq:CDTID) is scheduled to resume on Wednesday, October 27, 2010 at 7:15 a.m., Eastern Time.

For news and additional information about the company, please contact the company directly, or check under the company's symbol using InfoQuotesSM on the NASDAQ Web site at www.nasdaq.com.

For more information about NASDAQ trade halts, visit www.nasdaqtrader.com or the NASDAQ OMX NewsroomSM at http://www.nasdaqomx.com/whoweare/newsroom/.

NDAQG

CONTACT:  The NASDAQ OMX Group, Inc.
          Wayne Lee
          +1-301-978-4875
          Wayne.D.Lee@NASDAQOMX.Com