POWER OF ATTORNEY

        Know all by these presents that the undersigned hereby
constitutes and appoints each, Matthew Beale and Tracy Kern, or
any of them signing singly, and with full power of substitution,
the undersigned's true and lawful attorney-in-fact to:

(1) prepare, execute in the undersigned's name and on the
undersigned's behalf, and submit to the U.S. Securities and
Exchange Commission (the "SEC") a Form ID, including amendments
thereto, and any other documents necessary or appropriate to
obtain codes and passwords enabling the undersigned to make
electronic filings with the SEC of reports required by
Section 16(a) of the Securities Exchange Act of 1934 or any
rule or regulation of the SEC;

(2) execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of Clean
Diesel Technologies, Inc. (the "Company"), Forms 3, 4, and 5
in accordance with Section 16(a) of the Securities Exchange
Act of 1934 and the rules thereunder, as amended;

(3) do and perform any and all acts for and on behalf of the
undersigned that may be necessary or desirable to complete and
execute any such Form 3, 4, or 5, complete and execute any amendment
or amendments thereto, and timely file such form with the SEC and
any stock exchange or similar authority; and

(4) take any other action of any type whatsoever in connection with
the foregoing that, in the opinion of such attorney-in-fact, may be
of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power
of Attorney shall be in such form and shall contain such terms and
conditions as such attorney-in-fact may approve in such attorney-in-
fact's discretion.

        The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act and
thing whatsoever requisite, necessary, or proper to be done in the
exercise of any of the rights and powers herein granted, as fully
to all intents and purposes as the undersigned might or could do if
personally present, with full power of substitution or revocation,
hereby ratifying and confirming all that such attorney-in-fact, or
such attorney-in-fact's substitute or substitutes, shall lawfully
do or cause to be done by virtue of this power of attorney and the
rights and powers herein granted.  The undersigned acknowledges that
the foregoing attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the Company
assuming, any of the undersigned's responsibilities to comply with
Section 16 of the Securities Exchange Act of 1934, as amended.

        This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, and
5 with respect to the undersigned's holdings of and transactions in
securities issued by the Company, unless earlier revoked by the
undersigned in a signed writing delivered to the foregoing
attorneys-in-fact.

        IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 1st day of June, 2016.

/s/Tracy A. Kern
Tracy A. Kern