As filed with the Securities and Exchange Commission on March 4, 2008 Registration No. 333-144223 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 DYNAMOTIVE ENERGY SYSTEMS CORPORATION (Exact Name of Registrant as Specified in Its Charter) British Columbia None ---------------- ------ (State or Other Jurisdiction (I.R.S. Employer of Incorporation or Organization) Identification No.) 230-1700 West 75th Avenue, Vancouver, British Columbia, V6P 6G2 (Address of Principal Executive Offices) (Zip Code) DynaMotive Energy Systems Corporation 1993 Stock Option Plan ------------------------------------------------------------ (Full Title of the Plan) Robert A. Kingston Chief Executive Officer DynaMotive Energy Systems Corporation 1655 N. Fort Myer Drive, S-702, Arlington, VA 22209 ---------------------------------------------------- (Name and Address of Agent for Service) (703) 248-2612 ----------------- (Telephone Number, Including Area Code, of Agent for Service) Explanatory Note This Post-Effective Amendment No. 1 (the Amendment) to Form S-8 Registration Statement under the Securities Act of 1933 is an amendment to the DynaMotive Energy Systems Corporation (the Company) Form S-8 Registration Statement filed with the Securities and Exchange Commission on June 29, 2007, Registration No. 333-144223 (the Original Form S-8). The purpose of this Amendment is to file as an exhibit the DynaMotive Energy Systems Corporation 1993 Stock Option Plan as amended. In all other material respects, the Original Form S-8 is unchanged. 2 SIGNATURES Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it has reasonable grounds to believe it meets all of the requirements for filing on Form S-8 and has duly caused this Post- Effective Amendment No. 1 to be signed on its behalf by the undersigned, thereunto duly authorized, in the City of Vancouver, Province of British Columbia, on March 4, 2008. DynaMotive Energy Systems Corporation By: /S/ Robert Andrew Kingston --------------------------- Robert Andrew Kingston President and Chief Executive Officer Pursuant to the requirements of the Securities Act of 1933, this Post- Effective Amendment No. 1 has been signed by the following persons in the capacities indicated on March 4, 2008. Signatures Title - ---------- ------ /s/ R. Andrew Kingston - ---------------------- R. Andrew Kingston President, Chief Executive Officer and Director /s/ Richard Chen-Hsing Lin - -------------------------- Richard Chen-Hsing Lin Chairman, President, Operations China and Director /s/ Curtin Winsor Jr., Ph.D. - ---------------------------- Curtin Winsor Jr., Ph.D. Director /s/ Shing-Cheng Hong - -------------------- Shing-Cheng Hong Director /s/ Desmond Radlein, Ph.D. - -------------------------- Desmond Radlein, Ph.D. Director /s/ Chih-Lin Chu - ---------------- Chih-Lin Chu Director /s/ George J. Terwilliger III - ----------------------------- George J. Terwilliger III Director /s/ Wayne Keast - --------------- Wayne Keast Director By: /s/ Robert Andrew Kingston - -------------------------- Robert Andrew Kingston Attorney-in-fact pursuant to Power of Attorney included as part of the signature page of the Form S-8 filed June 29, 2007. 3 AUTHORIZED REPRESENTATIVE Pursuant to the requirements of Section 6(a) of the Securities Act of 1933, as amended, the Authorized Representative has duly caused this Post-Effective Amendment No. 1 to be signed on its behalf by the undersigned, solely in its capacity as the duly authorized representative of the Registrant in the United States, on this 4th day of Mar, 2008. By: /s/ R. Andrew Kingston ---------------------- Name: R. Andrew Kingston Title: President &CEO 4 EXHIBIT INDEX -------------- Exhibit Number Description of Exhibit - -------------- ---------------------- 4.1 1993 Stock Option Plan 4.2 Amendment to 1993 Stock Option Plan 23.1 Consent of Independent Chartered Accountants - BDO Dunwoody LLP 5