The program exhausted original funding of $1B in like 3 weeks. They tripled funding to $3B and it was gone in less than 2 months when they had to end the program early.

Top 10 traded in cars were all American

Top 10 purchased cars - 3 American

Estimates are that it cost taxpayers up to $24k per new sale, and just front loaded yearly sales, perhaps even hurting the industry sales as a whole.

All so you can feel better short term about your nice new car and <1mpg efficiency improvement while now in massive amounts of unnecessary debt.