Questions about example sentences with, and the definition and usage of "Gasoline"

A:

“Gasoline is sold by the gallon in the United States.” is correct.

You can also say, “The cost/price of gasoline in the US is $1.74 per gallon.”

We wouldn’t say “in gallons.”

A: I'm not sure if there's a scientific reasoning to it, but typically Americans say "gasoline" and British say "Petrol". They both mean the same.

A: Almost the same.

"Gasoline will float on water" can sometimes sound like you are planning something because you are talking about the future.

"Gasoline floats on water" can be interpreted as a passive voice present tense:

A mama bird drinks.
Gasoline floats on the water.
They all die.

But usually both phrases mean the same thing: a statement of fact.

A: petrol

A: Gasoline is more expensive than ever nowadays

A: Gasoline cars "run" on "the" power of an engine whereas electric cars "run" on "the" power of an electric motor.

"Run" here is used to mean: is powered by.

A: As you may know, gasoline is cleaner than diesel. In order to protect the environment, our government recommends using gasoline fuel. We also make electric cars nowadays.