Listen to the text "Cars and the Future".
Fill in the gaps:
I suppose it's projecting what I want to do but I'm a big believer in public transport and I think as public transport systems get better and faster and more effective [ ] using their cars cause they are gonna get more expensive, so when you get into economies of scale, people are gonna realize they're gonna save money by using public transport, mass transit and things like that so in about 100 years I suppose they will not be using cars that often.
I think [ ] be flying or we'll be riding on trains or boats.
I do think that we're gonna have a gas shortage and an oil shortage and so therefore [ ] to look for other methods to fuel a car, whether that be electricity or solar power or even vegetable oil.