The revolution is here: self-driving cars are already on the road

Self-driving cars are no longer just a futuristic concept—they are becoming a real part of the automotive industry. Major car manufacturers are already testing vehicles with advanced levels of autonomy, pushing the boundaries of what’s possible on the road. Companies like Tesla have already deployed a significant number of autonomous vehicles, and these technologies are expected to reach Portugal by 2025. However, the rollout depends heavily on infrastructure, particularly 5G connectivity. Portugal is expected to have only 70% of its territory covered by 5G by 2023, which means self-driving cars will not arrive earlier than 2025. This highlights how technology and infrastructure are closely linked in the evolution of autonomous transportation. So, what exactly are self-driving cars? These vehicles operate without human input, using an independent navigation system. They rely on artificial intelligence, sensors, cameras, and radars to scan their surroundings, detect obstacles, read traffic signs, and make decisions in real time. Unlike traditional 360-degree cameras used for parking assistance, autonomous systems process all this data and translate it into actions—like braking, accelerating, or changing lanes—without any human involvement. The level of autonomy varies, and there are five recognized levels: - **Level 1**: The car assists with basic functions like steering or acceleration, but the driver must remain fully engaged. - **Level 2**: Features like autopilot allow the car to maintain speed and stay in its lane, but the driver must still hold the wheel. - **Level 3**: The car can drive itself in certain conditions, such as in traffic, but requires the driver to be ready to take control if needed. - **Level 4**: The vehicle operates completely autonomously in specific environments, though it may not function in unmapped areas or bad weather. - **Level 5**: Full autonomy, where the car can handle any driving situation without human input—no steering wheel required. While self-driving cars offer many benefits, they also come with challenges. One major advantage is increased safety, as these vehicles are designed to minimize human error. Additionally, they tend to be more environmentally friendly, often powered by electric or hydrogen energy, reducing their carbon footprint. On the downside, they are currently expensive, making them inaccessible for many consumers. Also, the absence of a steering wheel could be a drawback for those who enjoy driving. However, as technology advances, these vehicles are likely to become more common, and we may soon see fully autonomous cars on the roads. The future of transportation is fast approaching, and it's definitely one to watch.

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