Energy Empire 500 Miles on a Charge: Is This the End of the Diesel Semi?
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Mar 20, 2026 Adam Browning, leader at Forum Mobility and former Vote Solar founder, explains electrifying freight and building charging depots. He discusses Tesla Semi performance, megawatt charging and depot strategies. They cover range, refrigerated trucks, costs per mile, and where electric freight will scale next.
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Tesla Semi Is A Step Change For Range And Cost
- Tesla Semi is a step change versus legacy EV trucks with about 500 miles range and much faster MCS charging.
- Browning says the Semi is roughly twice the range, charges ~4x faster, is more efficient, and is nearly half the cost than current OEM trucks.
Match Truck Tech To Specific Freight Use Cases
- Fit vehicle technology to specific freight use cases instead of expecting one truck to work everywhere.
- Browning compares the rollout to solar: start where costs and customer fit make sense (rooftop then wholesale), then scale.
Legacy OEMs Risk Falling Behind Internationally
- U.S. OEMs lag and risk losing manufacturing relevance while China rapidly electrifies heavy trucks.
- Browning notes Volvo/Daimler have MCS trucks in Europe but not the U.S., and China sold ~30–55% zero-emission heavy trucks recently.