It will be the project/company that ties all his projects together. - Tesla: At least one lane will be for self driving cars only, moving at higher speeds. Giv

It will be the project/company that ties all his projects together. - Tesla: At least one lane will be for self driving cars only, moving at higher speeds. Giving more reasons for people to buy Tesla and other self driving cars. - Hyperloop: Not exactly his main focus these days, but tunneling may be an alternative to pylons even though it will be more costly. - SpaceX: He will gain first hand experience needed for tunneling on Mars.