You will expire when god is ready to take you home

At 20 miles per you would get about 4 miles per litre

it depends on the engine size and how you drive it

convert it to water or electric that would be a futuristic car

look on you tube gas is dead

Go to you tube or go to your public library and look it up

not all people have the money to go to a garage and have it fixed and a head

gasket is a simple fix with the proper time and tools

if you can afford to have it fixed at a garage do it but be careful to take to a trust worthy mechanic