Question

jesse notices that his gas mileage jumps from 20 to 40 miles per gallon when he uses his cruise control. one likely explanation for this is: a. jesses car is compressing and expanding efficiently. b. jesses car has an efficient air - to - fuel ratio. c. jesses car is a hybrid that shuts off extra pistons when it is not accelerating. d. jesses car is powered by a biofuel that is not needed while cruising.

Explanation:

When using cruise - control, the car maintains a constant speed. In a hybrid car, extra pistons can be shut off when not accelerating, reducing fuel consumption and increasing gas mileage. Options A and B are general factors that don't specifically relate to the change with cruise - control. Option D about bio - fuel is not indicated as relevant to the cruise - control impact.

Answer:

C. Jesse's car is a hybrid that shuts off extra pistons when it is not accelerating.