What groundbreaking feature did Tesla announce for its Semi truck that revolutionized the electric commercial vehicle market?

The transportation industry is undergoing massive transformation through sustainable innovation. Electric vehicles aren't just for personal use anymore - they're revolutionizing commercial transportation. Tesla's entry into the heavy-duty trucking market represents a significant shift in how goods may be transported in the future. Test your knowledge about this product innovation that's challenging conventional transportation methods.

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500-mile range on a single charge while hauling a full load
Self-driving capability allowing drivers to sleep during long hauls
Solar panels on the trailer roof providing unlimited range during daylight
Hydrogen fuel cell backup system for extended range