Coulomb Hybrid: An Early Plug-In Prototype and Its Design Goals — working record Yenra | September 18, 2026 https://yenra.com/gas-electric-hybrid-future-car/ Purpose: Explain the Coulomb prototype's documented architecture and distinguish announced targets from independently established outcomes. Instructions: Save a private copy in any text editor. Fill in the fields that apply. Write UNKNOWN where evidence is missing. Keep VINs, contacts and business records private. This is a planning record, not a substitute for the exact manual, inspection or specialist advice described in the article. For each observation, add the date, evidence or source, conclusion and next action. Specify units for distance, energy, time and money. 1. Historical claim and exact quantity/units (if any) Response: Evidence/date: Next action: 2. Author/institution/title/date/link/page Response: Evidence/date: Next action: 3. Vehicle version and event or test context Response: Evidence/date: Next action: 4. Evidence type: design description / target / measured test / retrospective Response: Evidence/date: Next action: 5. Method and conditions given; what is missing Response: Evidence/date: Next action: 6. Fuel amount and unit; distance and unit; electricity amount and boundary Response: Evidence/date: Next action: 7. Starting/ending battery state and method of accounting for recharge Response: Evidence/date: Next action: 8. Illustrative example only: 100 miles / 2 U.S. gallons = 50 mpg, plus 12 kWh wall electricity Response: Evidence/date: Next action: 9. Independent corroboration and any contradictory evidence Response: Evidence/date: Next action: 10. Permitted conclusion; stronger claim requiring more evidence Response: Evidence/date: Next action: 11. Next source to seek and why Response: Evidence/date: Next action: Supporting sources (check their current scope): https://www.ucdavis.edu/news/futurecar-europe https://afdc.energy.gov/vehicles/electric https://www.ucdavis.edu/research/discoveries/engineering-discoveries/plug-in-hybrids Return to the article: https://yenra.com/gas-electric-hybrid-future-car/