Local reporting. The people, places and decisions behind the headlines.
Search and community filters apply to these 50 stories in this part of the archive. Continue to earlier reporting below.
Second-life transit LFP battery bank and solid-state DC rectifiers at 2500 Mariposa Street stabilize overhead wire voltage and capture…
2 min read
Vacuum-sealed steel rotors spinning at 16,000 RPM on Warm Springs Boulevard capture 1,000-volt third-rail braking bursts and return…
2 min read
Upgraded Clipper 2.0 readers across BART, Muni, Caltrain, AC Transit, and ferries apply automatic $2.50 interagency transfer discounts…
2 min read
Solid-state wide-bandgap power modules boost regenerative braking energy recovery to 39 percent across Fleet of the Future cars…
2 min read
Forty solar-powered radar and inductive-loop totems from Oakland and Berkeley to San Francisco and San Jose publish open hourly…
2 min read
