Notice of Results

RNS Number:9578T
Clean Diesel Technologies, Inc
08 May 2008



           Clean Diesel Technologies, Inc. First Quarter 2008 Results
                     and Conference Call to be Held May 13

Stamford, CT- May 8, 2008 - Clean Diesel Technologies, Inc. (NASDAQ:CDTI; XETRA:
CDIA; AIM:CDT), the cleantech emissions reduction company, will announce its
first quarter financial results on Tuesday, May 13 at 7:00 AM Eastern Time (12:
00 BST & 13:00 CET).



The announcement will be followed by a conference call at 10:00 a.m. ET on
Tuesday, May 13, 2008. The call will be available on the Company's website at
www.cdti.com, or by calling: 877 407 8214 for U.S. callers, or [phone]
for international callers.  The conference call will be led by Dr. Bernhard
Steiner, CEO and Ann Ruple, CFO of Clean Diesel Technologies, Inc.



A webcast will also be archived on the Company's website. Additionally, a
telephone replay of the call will be available approximately one hour following
the call through midnight Eastern Time on May 20, 2008, and can be accessed by
calling: 877 660 6853 (U.S. callers) or [phone] (international callers)
and entering account number 286 and conference ID 284833.

About Clean Diesel Technologies

Clean Diesel Technologies (NASDAQ: CDTI) is a cleantech company providing
sustainable solutions to reduce emissions, increase energy efficiency and lower
the carbon intensity of on- and off-road engine applications. Clean Diesel's
patented technologies and products allow manufacturers and operators to comply
with increasingly strict regulatory emissions and air quality standards, while
also improving fuel economy and power. The Company's solutions, which are in
commercial use worldwide, significantly reduce emissions formed by the
combustion of fossil fuels and biofuels, including particulate matter (PM),
nitrogen oxides (NOx), carbon monoxide and hydrocarbons. Clean Diesel solutions
also reduce carbon dioxide (CO2) emissions, a key greenhouse gas associated with
global climate change.

Clean Diesel develops and manages intellectual property from original concept to
full-scale commercial deployment. Its offerings include ARIS(R) Selective
Catalytic Reduction (SCR); the patented combination of SCR and Exhaust Gas
Recirculation; hydrocarbon injection for emissions control applications;
Platinum Plus(R) Fuel-Borne Catalyst (FBC); the PurifierTM family of particulate
filter systems; and its Wire Mesh Filter particulate filter technologies. The
Company was founded in 1995 and is headquartered in Stamford, Connecticut. A
wholly owned subsidiary, Clean Diesel International, LLC, is based in London,
England. For more information, please visit www.cdti.com.

             Please visit us on the World Wide Web at: www.cdti.com

Contacts:
Crescendo Communications, LLC                          Clean Diesel Technologies, Inc.

(U.S. investor contact)                                Ann Ruple

David K. Waldman or Klea Theoharis                     CFO

[phone]                                        [phone]

[e-mail]                                  [e-mail]


Innovator Capital Limited                              Charles Stanley Securities

(Financial press inquiries)                            Nominated Adviser

Shaun Brown                                            Philip Davies / Freddy Crossley

Jade Summer                                            Tel: [phone]

[phone]

[e-mail].


Matter Communications

(Technical press inquiries)

Jacqueline Volovich

[phone] x236

[e-mail]






                      This information is provided by RNS
            The company news service from the London Stock Exchange
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