In engines that have failed prematurely, the oil has very often been transformed into a high viscosity deposit of brown or black goo, commonly referred to as “sludge.”
Auto Market Update November 2025: Market Reacts to Tariffs
November 21, 2025
The used-vehicle market continued to slide last week, with wholesale prices dropping just over 1% on a volume-weighted basis. Both car and truck/SUV segments moved
