![Engineers Propose Battery Trolley For Locomotives - Evening Telegram [1951]](https://www.silverwars.com/content/images/2025/08/Engineers-Propose-Battery-Trolley-For-Locomotives---Evening-Telegram--1951-.png)
Engineers Propose Battery Trolley For Locomotives - Evening Telegram [1951]
1951 — Engineers propose silver-zinc battery + trolley locomotives. TVA’s Llewellyn Evans says packs weigh ~1/5 per kWh; trolleys recharge in-route; onboard rectifier handles 25/60-cycle. BPA: in hydro regions, electrics cost less to run ($3.9m/yr vs $5.52m for 20 diesels).
Summary:
1951 — Engineers propose silver-zinc battery + trolley locomotives. TVA’s Llewellyn Evans says packs weigh ~1/5 per kWh; trolleys recharge in-route; onboard rectifier handles 25/60-cycle. BPA: in hydro regions, electrics cost less to run ($3.9m/yr vs $5.52m for 20 diesels).
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