@annemarie_2025: And so we learn!! Those ‘spaghetti’ wires above San Francisco’s streets? ⚡ They power electric trolleybuses that have been climbing steep hills since 1941 — no gas, no fumes, just clean torque and history. 🚎🌉 #trolleybus #electricbus #ecotravel #zeroemissions #fyp #sanfransisco #usa