An increase in the demand for gasoline today caused by concerns that gasoline prices will be higher tomorrow is most likely attributable to a change in:
income.
consumer preferences.
prices of other goods.
consumer expectations.

consumer expectations.

Explanation:

There will be change in the consumer expectations , since , according to the question , the consumers are sure that the price of the gasoline will increase tomorrow , hence to save some amount of money , they will start to buy gasoline , and thereby the demand for gasoline would increase and they would expect more gasoline .

Hence , The correct answer according to the data of the question is -  consumer expectations .

answer; sensory adaptation;