 AUSTIN, Texas--BUSINESS WIRE--Hyliion Holdings Corp. NYSE: HYLN Hyliion, a leader in electrified powertrain solutions for Class 8 semi-trucks, today reported its first quarter 2021 business updates. Key Business Highlights Announced the formation of the Hypertruck Innovation Council, a select group of fleet, logistics and transportation industry leaders that will actively support and advance the development of Hyliions Hypertruck powertrain solution Took delivery of Peterbilt chassis, 