When it comes to self-driving technology, $Tesla Motors(TSLA)$ often dominates the conversation, but there’s one company that could give Elon Musk a run for his money: Waymo. The $Alphabet(GOOG)$-owned robotaxi developer has been quietly but steadily establishing itself as a leader in autonomous vehicle (AV) technology, and its latest announcement—to begin testing in Tokyo, its first international destination—cements its ambition to expand beyond the U.S. In my opinion, Tesla has the potential to dominate the U.S. robotaxi or self-driving market in the long term. However, at this moment, Waymo seems to be winning the race, and these two companies could become fierce competitors. Why Waymo’s Tokyo Expansio