UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

SCHEDULE 14A

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Heavy hitter: Hyzon Motors to supply world’s heaviest

hydrogen-powered truck to transport company

• Hyzon’s 154-ton hydrogen fuel cell-powered vehicle expected to rank as the heaviest zero-emissions truck on record

• New truck extends use of hydrogen vehicles to rugged applications for European heavy lift, transport and rigging company

ROCHESTER, N.Y. – July 1, 2021—Twice as heavy as the Space Shuttle, Hyzon Motor Inc.’s 154-ton hydrogen fuel cell-powered trucks are planned for launch in Europe.

Hyzon, a leading global manufacturer of hydrogen commercial vehicles, announced today that it will sign a memorandum of understanding to supply the truck, used in construction operations, to a European heavy lift, transport and rigging group.

Hyzon already produces the highest-density fuel cell on the market, as verified by third-party testing authorities. The new truck deployment is expected to build on this existing advantage, allowing Hyzon’s customers to power more challenging industrial work with clean hydrogen fuel.

“This technological development will demonstrate that hydrogen fuel cell vehicles can replace diesel for even the most heavy-duty needs,” said Hyzon CEO Craig Knight. The fully loaded trucks, 154 tons by U.S. measurement, are considered the industry’s heaviest, and are expected to provide 480 kilowatts of power.

The truck agreement comes as Hyzon readies for a public listing on Nasdaq via a business combination with Decarbonization Plus Acquisition Corporation. (NASDAQ: DCRB).

Additional interest in Hyzon’s heavy trucks has been expressed by current and potential customers in Europe and Australia, such as mining companies and companies in other industries which require high-performance vehicles for use in rugged terrain, over long distances, and in rigorous industrial activities.

About Hyzon Motors Inc.

Headquartered in Rochester, N.Y., with U.S. operations also in Chicago and Detroit, and international operations in the Netherlands, Singapore, Australia and China, Hyzon is a leader in hydrogen mobility. Hyzon is a pure-play hydrogen mobility company with an exclusive focus on hydrogen in the commercial vehicle market. Utilizing its proven and proprietary hydrogen fuel cell technology, Hyzon aims to supply zero-emission heavy duty trucks and buses to customers in North America, Europe and around the world. The company is contributing to the escalating adoption of hydrogen vehicles through its demonstrated technology advantage, leading fuel cell performance and history of rapid innovation. Visit www.hyzonmotors.com.

Forward-Looking Statements

This press release includes “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of present or historical fact included in this press release, including those regarding Decarbonization Plus Acquisition Corporation’s (“DCRB”) proposed acquisition of Hyzon and DCRB’s ability to consummate the transaction, are forward-looking statements. When used in this press release, the words “could,” “should,” “will,” “may,” “believe,” “anticipate,” “intend,” “estimate,” “expect,” “project,” the negative of such terms and other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. These forward-looking statements are based on management’s current expectations and assumptions about future events and are based on currently available information as to the outcome and timing of future events. Except as otherwise required by applicable law, DCRB and Hyzon disclaim any duty to update any forward -looking statements, all of which are expressly qualified by the statements in this section, to reflect events or circumstances after the date of this press release. DCRB and Hyzon caution you that these forward-looking statements are subject to numerous risks and uncertainties, most of which are difficult to predict and many of which are beyond the control of either DCRB or Hyzon, including risks and uncertainties described in the “Risk Factors” section of Exhibit 99.3 of DCRB’s Current Report on Form 8-K filed with the U.S. Securities and Exchange Commission (the “SEC”) on February 9, 2021, the “Risk Factors” section of DCRB’s definitive proxy statement on Schedule 14A filed with the SEC on June 21, 2021, and other documents filed by DCRB from time to time with the SEC. These filings identify and address other important risks and uncertainties that could cause actual events and results to differ materially from those contained in the forward-looking statements, such as risks related to the ability to convert non-binding memoranda of understanding into binding orders or sales (including because of the current or prospective financial resources of the counterparties to Hyzon’s non-binding memoranda of understanding and letters of intent), or the ability to identify additional potential customers and convert them to paying customers. Hyzon gives no assurance that Hyzon will achieve its expectations.

Important Information for Investors and Stockholders

In connection with the proposed business combination, DCRB filed a proxy statement and other relevant documents with the SEC. Stockholders and other interested persons are urged to read the proxy statement and any other relevant documents filed with the SEC because they contain important information about DCRB, Hyzon and the proposed

business combination. Stockholders may obtain a free copy of the proxy statement, as well as other filings containing information about DCRB, Hyzon and the proposed business combination, without charge, at the SEC’s website located at www.sec.gov.

Participants in the Solicitation

DCRB, Hyzon and their directors and executive officers and other persons may be deemed to be participants in the solicitations of proxies from DCRB’s stockholders in respect of the proposed business combination and the other matters set forth in the proxy statement. Information regarding DCRB’s directors and executive officers is available in DCRB’s Annual Report on Form 10-K for the annual period ended December 31, 2020, and under the heading “Information About DCRB” in DCRB’s definitive proxy statement related to the proposed business combination filed with the SEC on June 21, 2021. Additional information regarding the participants in the proxy solicitation and a description of their direct and indirect interests, by security holdings or otherwise, is set forth in the proxy statement relating to the proposed business combination.

Hyzon Motors contacts

For U.S., Europe and Asia media:

Caroline Curran

Hill+Knowlton Strategies

+1 256-653-5811

caroline.curran@hkstrategies.com

For Australasian media:

Fraser Beattie

Cannings Purple

+61 421 505 557

fbeattie@canningspurple.com.au

For investors:

Caldwell Bailey

ICR, Inc.

HyzonMotorsIR@icrinc.com

***

Forward Looking Statements

The information in this filing includes “forward-looking statements” within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of present or historical fact included in this filing, regarding Decarbonization Plus Acquisition Corporation’s (“DCRB”) proposed acquisition of Hyzon Motors Inc. (“Hyzon”), DCRB’s ability to consummate the transaction, the benefits of the transaction and the combined company’s future financial performance, as well as the combined company’s strategy, future operations, estimated financial position, estimated revenues and losses, projected costs, prospects, plans and objectives of management are forward-looking statements. When used in this filing, the words “could,” “should,” “will,” “may,” “believe,” “anticipate,” “intend,” “estimate,” “expect,” “project,” the negative of such terms and other similar expressions are intended to identify forward-looking statements, although not all forward-looking statements contain such identifying words. These forward-looking statements are based on management’s current expectations and assumptions about future events and are based on currently available information as to the outcome and timing of future events. Except as otherwise required by applicable law, DCRB and Hyzon

disclaim any duty to update any forward-looking statements, all of which are expressly qualified by the statements in this section, to reflect events or circumstances after the date hereof. DCRB and Hyzon caution you that these forward-looking statements are subject to numerous risks and uncertainties, most of which are difficult to predict and many of which are beyond the control of either DCRB or Hyzon. In addition, DCRB cautions you that the forward-looking statements are subject to the following factors: (i) the occurrence of any event, change or other circumstances that could delay the business combination or give rise to the termination of the Business Combination Agreement and Plan of Organization, dated as of February 8, 2021, by and among DCRB, DCRB Merger Sub Inc., and Hyzon, any PIPE investor’s subscription agreement, and the other agreements related to the business combination (including catastrophic events, acts of terrorism, the outbreak of war, COVID-19 and other public health events), as well as management’s response to any of the foregoing; (ii) the outcome of any legal proceedings that may be instituted against DCRB, Hyzon, their affiliates or their respective directors and officers following announcement of the transactions; (iii) the inability to complete the business combination due to the failure to obtain approval of the stockholders of DCRB, regulatory approvals, or other conditions to closing in the transaction agreement; (iv) the risk that the proposed business combination disrupts DCRB’s or Hyzon’s current plans and operations as a result of the announcement of the transactions; (v) Hyzon’s ability to realize the anticipated benefits of the business combination, which may be affected by, among other things, competition, the pace and depth of hydrogen vehicle adoption generally, and the ability of Hyzon to accurately estimate supply and demand for its vehicles, and to grow and manage growth profitably following the business combination; (vi) risks relating to the uncertainty of the projected financial information with respect to Hyzon, including the conversion of pre-orders into binding orders; (vii) costs related to the business combination and the PIPE investment; (viii) changes in applicable laws or regulations, governmental incentives and fuel and energy prices; (ix) the possibility that Hyzon may be adversely affected by other economic, business, and/or competitive factors; (x) the amount of redemption requests by DCRB’s public stockholders; and (xi) such other factors affecting DCRB that are detailed from time to time in DCRB’s filings with the Securities and Exchange Commission (the “SEC”). Should one or more of the risks or uncertainties, or should underlying assumptions prove incorrect, actual results and plans could different materially from those expressed in any forward-looking statements. Additional information concerning these and other factors that may impact the operations and projections discussed herein can be found in DCRB’s definitive proxy statement filed with the SEC on June 21, 2021, and its periodic filings with the SEC, including its Annual Report on Form 10-K for annual period ended December 31, 2020. DCRB’s SEC filings are available publicly on the SEC’s website at www.sec.gov.

Important Information for Investors and Stockholders

In connection with the proposed business combination, DCRB filed a definitive proxy statement with the SEC on June 21, 2021. Additionally, DCRB will file other relevant materials with the SEC in connection with the business combination. Copies may be obtained free of charge at the SEC’s web site at www.sec.gov. Security holders of DCRB are urged to read the proxy statement and the other relevant materials when they become available before making any voting decision with respect to the proposed business combination because they contain or will contain important information about the business combination and the parties to the business combination.

Participants in the Solicitation

DCRB and its directors and officers may be deemed participants in the solicitation of proxies of DCRB’s stockholders in connection with the proposed business combination. Security holders may obtain more detailed information regarding the names, affiliations and interests of certain of DCRB’s executive officers and directors in the solicitation by reading DCRB’s Annual Report on Form 10-K for the annual period ended December 31, 2020, and the proxy statement and other relevant materials filed with the SEC in connection with the business combination. Information concerning the interests of DCRB’s participants in the solicitation, which may, in some cases, be different than those of their stockholders generally, is set forth in the proxy statement relating to the business combination.