There's a lot of hills where I live/I'm old/I'm disabled and I don't have the strength to pedal my bike.

There is always an option to use ebikes. This gives the benefits of a bicycle with so much cheaper than a car.

In the Netherlands, disabled drivers use these vehicles Canta (vehicle) - Wikipedia

https://en.wikipedia.org/wiki/Canta_(vehicle)

Safe Cycling Showdown - Good vs. Bad City Design - Plus 1 Minus 2 - YouTube - Not Just Bikes

Resources

E-bikes and their capability to reduce car CO2 emissions - ScienceDirect

https://www.sciencedirect.com/science/article/pii/S0967070X21003401?via%3Dihub

e-bikes require less material and have lower manufacturing emissions than cars, for example an e-bike battery is only 1–2% of the size of an electric car battery meaning less resource use per e-bike

Surprise! The electric vehicles that are wildly outselling electric cars

https://electrek.co/2021/06/29/the-affordable-electric-vehicles-outselling-electric-cars-around-the-world/

Lots of good links to promote cycling.

The Miniature Microcars of Amsterdam - YouTube - Not Just Bikes

https://www.youtube.com/watch?v=B9ly7JjqEb0

Netherlands has microcars which are suitable for senior citizens and disabled people. There’s even one modified so that you can fit an entire wheelchair inside.

Accessible Cities: Seeing the city through a different lens With Guest Maya Levi - YouTube - MobyCon

https://youtu.be/knpDMq6wab0?t=396

When there is adequate infrastructure, people with disabilities are able to travel anywhere.