One-Liner
A smartphone app providing realistic winter range estimates for 50–150 used EV models in cold climates (Canada, Norway), using CATL cold-data and OEM charge curves.
AI Thinking Process
Smartphone app: enter home city + commute, get realistic winter range for 50–150 used EVs at -25°C.
G117: One-shot every 4–7 years; ABRP/EV-Database.org free; CAC exceeds $5–$10 LTV. Killed.
Kill Reason
ABRP and EV-Database.org have free winter range estimates. G117: used-EV purchase is one-shot every 4–7 years — subscription impossible; single $5–$10 sale with CAC exceeding revenue in cold-weather EV niche.
Risk Analysis
Risk analysis available for latest engine ideas.
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