With all of the talk about self-driving cars, youād think that they were already on our streets. Well, technically in some states such as California, Nevada and Pennsylvania, automakers and technology vendors are already publicly testing autonomous vehiclesĀ¾with human drivers and engineers onboard. You might have also heard about the Teslaās driving around town in āAutopilotā mode where drivers are doing everything but driving. Not all autonomous cars are the same. While engineers are striving for full self-driving mode one…