On a recent business trip to Albuquerque/Santa Fe, the actual rental
cost for three days on a full-sized car (a Ford Taurus) was $134.67.

The taxes were:

State Surcharge: $12.15
Rental Tax: $ 6.73
Concession Fee: $10.17
Sales Tax: $13.32
Total Taxes: $42.37

So the taxes amounted to 31.46% on top of the price of the rental.