are you planning to invent a new type of car that doesn’t use petrol to run but that’s more affordable than e-cars?

Question: are you planning to invent a new type of car that doesn't use petrol to run but that's more affordable than e-cars?
- Keywords:
  car,
  invention
Asked by Wonder2018 to William, Roberto, Karen, Jasmine, Chinna on 8 Nov 2018.
- William answered on 8 Nov 2018:
  
  Not in my field of research but there are scientists working on making e-cars more efficiently which would reduce the price of the car in the garage 🙂 There are cars atm that can run off of vegetable oil etc so who knows what may happen in the future!

Question: are you planning to invent a new type of car that doesn't use petrol to run but that's more affordable than e-cars?