Tesla is turning its in-cabin camera into a traffic hack, using it to count how many people are in the car and then steer navigation toward high-occupancy vehicle lanes when the headcount qualifies.

The move could give owners more flexibility to try the technology by lowering upfront costs in a shift to its business model.

When Tesla announced Autopilot back in 2014, it was quite an ordeal. Some people reacted with admiration and awe, with a deep ...

One of the things that help Tesla's electric cars stand out from the competition is its Full Self-Driving software (which, to be clear, isn't truly autonomous and does require driver supervision). On ...