The San Francisco-based developer of robot truck technology aims to commercialize its service by 2024.: Embark has been developing its autonomous truck technology since 2016, making it the longest-running robot truck program in the U.S. Embark, a San Francisco-based developer of robot truck technology, plans to list shares in a merger with a blank check company that may raise $614 million to help meet a goal of commercializing its service by 2024. The company is also adding former U.S. Transportation Secretary Elaine Chao to its board.