AdvertisementTesla has a new master plan. It's not a new car — just big thoughts on planet EarthMarch 01, 2023Camila DomonoskefacebookEmailTesla CEO Elon Musk is pictured as he attends the start of production at Tesla's "Gigafactory" in Gruenheide, southeast of Berlin in Germany. on March 22, 2022. Tesla held an investor day on Wednesday. It did not reveal a new vehicle, but it unveiled some of its big-picture ideas on climate change. (POOL/AFP via Getty Images)