October 6, 2026. Clean Energy Fuels Corp., the country’s leading provider of renewable natural gas (RNG) for the transportation market, has named JJ Armstrong its new Chief Financial Officer (CFO), succeeding Robert Vreeland, effective immediately. In the new role, Armstrong will also become one of the company’s named executive officers.
Armstrong has been with Clean Energy since 2014 when he joined as Director of SEC Reporting and Divisional Controller and has since advanced to Vice President and Corporate Controller. During his tenure, he has played a key role across the company’s finance and accounting functions and brings extensive experience in financial reporting, mergers, debt and equity transactions, and treasury operations.
“JJ has been with Clean Energy for more than a decade and knows our business inside and out,” said Clay Corbus, CEO of Clean Energy. “He has a deep understanding of all our financial operations, our strategy, and where we see opportunities ahead. That experience, along with the trust he has built across the organization, makes him the right person to take on the role of CFO. I’m excited to have JJ join our executive leadership team as we continue to focus on growth, the implementation of new technologies, and delivering value for our shareholders.”
“I’m excited to take on this new role and the opportunity that comes with it,” said JJ Armstrong. “We have an experienced team and a strong foundation to build on, and I look forward to working with Clay and the broader leadership team to support our priorities and help move the business forward.”
“I also want to thank Bob Vreeland for the leadership he demonstrated for the dozen years as CFO of Clean Energy,” said Mr. Corbus. “Bob has been the consummate professional steering our financial activities while being a pleasure to work with. As he heads into retirement, the entire company wishes Bob the best in this new and exciting stage of his life.”
Prior to joining Clean Energy, Mr. Armstrong spent 11 years at global accounting firm EY, working in assurance services with clients across the retail, technology and manufacturing industries.