Rinspeed eXasis: Transparent Materials and Concept-Car Evidence
Working record | Updated October 1, 2026
Article: https://yenra.com/concept-cars/exasis.html

PURPOSE
Explain what eXasis demonstrated, identify the roles of its materials and distinguish documented specifications from environmental claims requiring further evidence.

HOW TO USE
Save a private copy. Enter the date and relevant units; write UNKNOWN when evidence is missing. Attach supporting records. Distinguish observation, source claim and professional finding. Do not treat an unchecked item as passed. Revisit unresolved items before the decision. Protect personal identifiers when sharing.

Prepared by: __________________  Date: __________________

1. Source URL/document, publication date and date checked
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

2. Feature/claim and component or system concerned
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

3. Evidence class: documented feature / manufacturer-stated figure / unresolved question
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

4. Material and role; avoid assuming visible bodywork is the entire structure
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

5. Quantity, original units, approximation and test conditions if supplied
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

6. Comparison baseline, functional requirement and evidence missing
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

7. Fuel composition/pathway, driving cycle and lifecycle boundary
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

8. Conclusion supported by evidence; question left unresolved
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

9. Unit example: approximately 750 kg is approximately 1650 lb; conversion adds no precision
   Evidence / answer: __________________________________________
   Unknown / next action / responsible person: __________________

SOURCES AND CONTEXT
Use the article for the scope and limitations of each source. Check the current applicable document before acting.
https://www.rinspeed.com/en/eXasis_31_concept-car.html
https://www.rinspeed.com/upload/conceptfiles/technical_data_exasis.pdf
https://afdc.energy.gov/vehicles/flexible-fuel-emissions
https://afdc.energy.gov/fuels/ethanol-e85

FINAL DECISION
Proceed / obtain more evidence / decline: __________________
Reasons and unresolved conditions: _________________________
Next review date or trigger: _______________________________