2009 isuzu diesel engines

Why aren't Stirling engines used in cars to recharge batteries?

i don't know much about stirling engines, but it seems like they could be used to increase efficiency in air conditioners and refrigerators, but i might be naive about the actually power output of stirling engines. do they break down easily? are they


Because they have alternators.

If stirling engines were more efficient... we'd use them.

RHOMBIC DRIVE STIRLING CYCLE ENGINE PART TWO

ASSEMBLING THE ENGINE AND A DEMONSTRATION OF HOW A STIRLING ENGINE ACTS AS A REFRIGERATOR WHEN BEING DRIVEN BY A MOTOR.