AUSTIN, Texas–(BUSINESS WIRE)–Hyliion Holdings Corp. (NYSE American: HYLN), a developer of modular power plant technology, today announced that defense innovation leader and technology entrepreneur Abdul Subhani has been appointed to be a strategic advisor for the company.Subhani brings more than two decades of experience at the intersection of national security, emerging technology, cybersecurity, and defense innovation. As Founder and Chief Executive Officer of Centex Technologies, he has le