[BDO Logo] BDO Dunwoody LLP 600 Cathedral Place Chartered Accountants 925 West Georgia Street Vancouver, BC Canada V6C 3L2 Tel:(604)688-5421 Fax:(604)688-5132 Email: vancouver@bdo.ca www.bdo.ca CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Board of Directors Dynamotive Energy Systems Corporation We hereby consent to the incorporation by reference in this Post- Effective Amendment No.1 Registration Statement on Form S-8 of the use of our report dated April 17, 2007 on the consolidated balance sheets of Dynamotive Energy Systems Corporation as at December 31, 2006 and 2005 and the consolidated statements of operations, stockholders' equity and comprehensive loss and cash flows for each of the years in the three year period ended December 31, 2006. /s/BDO Dunwoody LLP - -------------------------- Chartered Accountants Vancouver, Canada March 4, 2008