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Q: Is petrol gets over in 50 years what source of energy can be used to run cars?
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Which energy source do you use to fuel most of your cars trucks and airplanes?

Petrol


What is the cars primary energy source?

Gasoline/petrol (primary) --------> ac generator and battery(secondary)


What are petrol cars?

petrol cars are cars with petrol in them lol


Is solar energy a good alternative of petrol?

Not many cars operate on solar energy, I doubt if it will catch on


Why is petrol used in cars?

Because naturally petrol sets light to the spark in the car and the heat energy takes it away and sets a little bit of the cars with fire and then from that the engine starts!


Which cars are long lasting diesel cars or petrol cars?

Cars that run diesel are long lasting than petrol cars.


Why do cars need petrol?

if cars do not have petrol they will not work because petrol burns in the engine and the car moves forward


What are energy efficient cars and how do they differ from conventional petrol cars?

Energy efficient cars are cars that gives you the most amount of travel for each unit of fuel that they use. The difference from conventional cars is that they give you more travel per unit of fuel than conventional cars do.


Why has petrol been the main fuel for cars?

For the last 100 years or so, petrol has been the main source of fuel. It was first produced in the 1850's by Ignacy Lukasiewicz through the method of distillation from crude oil. It became the most popular fuel because it was much cheaper then other fuels of the time like whale oil and it was readily available. The first car to run on petrol was made in Germany in 1885, and since then nearly all cars have run on petrol. Petrol-cars have become reliable, more efficient and faster. Petrol seems like an almost perfect fuel; nearly all engines are designed to use it.


Which fuel do American cars use in USA is it petrol or diesel?

The majority of cars in the USA use petrol (we call it gasoline).The majority of cars in the USA use petrol (we call it gasoline).


Which energy source is most important in cars?

Hydrocarbon fuel.


Which energy source is most important for cars?

Fossil fuels