What Do All Post-2007 Diesel Particulate Filters (DPFs) Require Periodically

question 19

Multiple Choice

What do all post-2007 diesel particulate filters (DPFs) require periodically?

• A) Filter replacement.
• B) Bench testing to meet EPA standards.
• C) Service intervention to remove ash residues.
• D) Pressure testing to check for leaks.

---

Definitions:

Bargain Purchase Option

An option given to the lessee to purchase the leased asset at the end of the lease term at a price significantly lower than the expected fair market value.

Future Rents

Future rents refer to the payments that are expected to be received in the future for the use of an asset, typically real estate.

Unreimbursable Costs

Expenses that cannot be recovered or compensated for by any means.

Estimated Economic Life

The expected period over which an asset is considered to be useful and contribute to the earnings of a business, affecting its depreciation or amortization.