Tesla Inc. CEO Elon Musk said on Thursday Giga Texas would, over time, draw $10 billion in investments and generate at least 20,000 direct jobs. What Happened: Musk replied to a Twitter post revealing the large investment and employment capabilities that the upcoming Giga Texas can deliver once it starts operations. Musk added that Giga Texas could churn more than 100,000 indirect jobs over time. Tesla aims to wrap up construction at Giga Texas by Dec. 31 and get the manufacturing facility up and running in the initial phase. The electric vehicle maker has spent about $1.06 billion in the facility spread over 2,481 acres. Why It Matters: Giga Texas is key to Tesla’s growth plans as it is expected to more-than-double capacity when fully operational. Tesla can currently make 500,000 electric vehicles a year at its Fremont factory in California. Tesla aims to build the Cybertruck and the Semi …