 BOSTON--BUSINESS WIRE--XL Fleet Corp. NYSE: XL XL Fleet or the Company, a leading provider of fleet electrification solutions for commercial vehicles in North America, today announced the date of its earnings release and earnings conference call. The Company will report its first quarter 2021 financial results after market close on Monday, May 17, 2021, followed by a conference call at 5:00 p.m. Eastern Time. Hosting the conference call will be Dimitri Kazarinoff, Chief Executive Offi 